diff --git a/images/chemistry.pdf_page_1.jpg b/images/chemistry.pdf_page_1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..90edcd841b592326e5c394c3df74e925cda69793
--- /dev/null
+++ b/images/chemistry.pdf_page_1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:706ece3b8ac1e80ec266f42a0223e3e28ff78a76710816b5a08d782e22e2532e
+size 88606
diff --git a/images/chemistry.pdf_page_10.jpg b/images/chemistry.pdf_page_10.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bcd7957d5921fc5e3d394bf04a64a570eefb1cb4
--- /dev/null
+++ b/images/chemistry.pdf_page_10.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cabaff4d7ccad67eb2cef7f66f777c925ff49f88cefdaa2a5608b52da1d42904
+size 67350
diff --git a/images/chemistry.pdf_page_11.jpg b/images/chemistry.pdf_page_11.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f0333203b7dbe08cfd97b50b4918d0618dfd82e8
--- /dev/null
+++ b/images/chemistry.pdf_page_11.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3682c1d39f6f5713585ab91dbc14431cb778e44f2593973ea0ac8a0f7df98f13
+size 64678
diff --git a/images/chemistry.pdf_page_12.jpg b/images/chemistry.pdf_page_12.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..07d25e26699f9e963ae4ca684cae500715431854
--- /dev/null
+++ b/images/chemistry.pdf_page_12.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a9df105a52743424a43d745276fa676306defc4426c6c0a8d1edaec9ee5fb6c
+size 70833
diff --git a/images/chemistry.pdf_page_13.jpg b/images/chemistry.pdf_page_13.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c03991d2dbfafd458411654c45eda3fabaef0074
--- /dev/null
+++ b/images/chemistry.pdf_page_13.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a9fdf949339ab1687a1394b1f5e4a3effbaafb837d728684e030a20ee608a117
+size 81671
diff --git a/images/chemistry.pdf_page_14.jpg b/images/chemistry.pdf_page_14.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..161f9b65ee335161413f7fafb4add79ede704cec
--- /dev/null
+++ b/images/chemistry.pdf_page_14.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fa81392393c85fc7b3ea360a9c6bfe572f28e9f007be71550f864dc1c356a731
+size 73076
diff --git a/images/chemistry.pdf_page_15.jpg b/images/chemistry.pdf_page_15.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..73c38b4a38be9152f4eb838857f866c929e3d969
--- /dev/null
+++ b/images/chemistry.pdf_page_15.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c0ea602ce85eb6c017a509ec7644bab559c9f86b975836c187f6fb44272e87d9
+size 76302
diff --git a/images/chemistry.pdf_page_16.jpg b/images/chemistry.pdf_page_16.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..36bf0f4fc67a6716c56e5e53ecaf262180a5ce54
--- /dev/null
+++ b/images/chemistry.pdf_page_16.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6dfc5375281b03ba76a533fe1836b2d9c23214c84ad493fe872aef879cbbf960
+size 58151
diff --git a/images/chemistry.pdf_page_17.jpg b/images/chemistry.pdf_page_17.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..1be9eddd6baa66dd4ef4f20275125eaf2345b7c2
--- /dev/null
+++ b/images/chemistry.pdf_page_17.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b471bba7592ee8a7b09576672a6070ea7399cc33f50717c0007fcc0db5befd01
+size 65149
diff --git a/images/chemistry.pdf_page_18.jpg b/images/chemistry.pdf_page_18.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bf89348eb9489a7fc02a9e4a80477e67c7b273ba
--- /dev/null
+++ b/images/chemistry.pdf_page_18.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f49bfd2f3765a6feaea7c6b223ac3636b3159c29c032ff715719cb51f85db4b9
+size 93133
diff --git a/images/chemistry.pdf_page_19.jpg b/images/chemistry.pdf_page_19.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c1be3bd9e7fb9be4dce853af06c4a540722b51ec
--- /dev/null
+++ b/images/chemistry.pdf_page_19.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:40c98fe1f97fe0dac4256fbae20e3c38f90fc6bb9d1fcef4d2a398d721f091d4
+size 84455
diff --git a/images/chemistry.pdf_page_2.jpg b/images/chemistry.pdf_page_2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3c4f245a8bb55361d87ab3a23a62f5eaa450c43a
--- /dev/null
+++ b/images/chemistry.pdf_page_2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:25823d85de48dc75f0b49eed273f766dafb69d142645942fa6fe042e288fc8b1
+size 68706
diff --git a/images/chemistry.pdf_page_20.jpg b/images/chemistry.pdf_page_20.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..fece6e1bde98c76617530764798cde39be1ac2ab
--- /dev/null
+++ b/images/chemistry.pdf_page_20.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59330c7038521c450996f2e6b5575847d57db0429f9b29954daecf51f80a4b05
+size 82269
diff --git a/images/chemistry.pdf_page_21.jpg b/images/chemistry.pdf_page_21.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..82a32e7eeba9e4852a6376a9a59210f689d2917e
--- /dev/null
+++ b/images/chemistry.pdf_page_21.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9442c075f1229ec20c9b7afabd2eaafa1994e26195b8119af68f7f04ff9232ea
+size 77742
diff --git a/images/chemistry.pdf_page_22.jpg b/images/chemistry.pdf_page_22.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3b2dfbe3e3d63d4196a3049ee916f78eb1af5e6e
--- /dev/null
+++ b/images/chemistry.pdf_page_22.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de88c27c7a250782d57417c464d6915f942854a14b4d66c058cbb2289a028ccd
+size 72713
diff --git a/images/chemistry.pdf_page_23.jpg b/images/chemistry.pdf_page_23.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..81a40d766357620bc72ab3385b49734219a30522
--- /dev/null
+++ b/images/chemistry.pdf_page_23.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:975c4f7d7c6be68713db6b3707a188fd0c517602e1b6b9074c3487af8bc59708
+size 60028
diff --git a/images/chemistry.pdf_page_24.jpg b/images/chemistry.pdf_page_24.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..132ad1c5ca7287772d777b04eba93dd2e4bf31f4
--- /dev/null
+++ b/images/chemistry.pdf_page_24.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:edcf65cd398bfe7659ce990f1acce95e487d70f82e90252ac4e6b2530c784241
+size 55701
diff --git a/images/chemistry.pdf_page_25.jpg b/images/chemistry.pdf_page_25.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f33ef088aa70488f3f357ea706521d5dca6b9d42
--- /dev/null
+++ b/images/chemistry.pdf_page_25.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7f71521d2ba5b3cdf54800baa42fe231c73bd5910b41e67eed641235dd35e29
+size 63243
diff --git a/images/chemistry.pdf_page_26.jpg b/images/chemistry.pdf_page_26.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..64833c8112d9e1630f1ee55ecb163ab10ad01a5a
--- /dev/null
+++ b/images/chemistry.pdf_page_26.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e2c8dbb0de62b6713e93515afc5bce818e1ad9bc6c15ff95234f5de8df9f745
+size 70138
diff --git a/images/chemistry.pdf_page_27.jpg b/images/chemistry.pdf_page_27.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..fa2001e861e02dc3c6bbeb9690b07195921dc110
--- /dev/null
+++ b/images/chemistry.pdf_page_27.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:05467c6586dddb943dfdac505c36817f7e8bdae7fe0f19caee3edc9c7245ecf1
+size 87428
diff --git a/images/chemistry.pdf_page_28.jpg b/images/chemistry.pdf_page_28.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..799ea9afed3f47669bf7296175282e106b90a695
--- /dev/null
+++ b/images/chemistry.pdf_page_28.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b0dfcfb7448c873407910c7407da3a47df7fd75e21dc8da75651049604507a48
+size 90651
diff --git a/images/chemistry.pdf_page_29.jpg b/images/chemistry.pdf_page_29.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..8200cedd659b54b584fea787c6d3b2ba807f113f
--- /dev/null
+++ b/images/chemistry.pdf_page_29.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb2c48f6ad762712f6b0ff4d06ae9f6de33e5c3f0b0d3a5c85e87b9ccb6f2ee6
+size 57563
diff --git a/images/chemistry.pdf_page_3.jpg b/images/chemistry.pdf_page_3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..60f78107fa4fc4ea2c5cb072ffc4fad235e327a1
--- /dev/null
+++ b/images/chemistry.pdf_page_3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:266b9007284227c6e598dd51217e57ee45d2964f9ed9ca6f401b650955590ca0
+size 62973
diff --git a/images/chemistry.pdf_page_30.jpg b/images/chemistry.pdf_page_30.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..42503a77c24f60bc52a252879027ac53ace56d32
--- /dev/null
+++ b/images/chemistry.pdf_page_30.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b6b70736a3327ddf750e78321d85db50287cd67b7a18460c8662927fcc58e699
+size 62973
diff --git a/images/chemistry.pdf_page_31.jpg b/images/chemistry.pdf_page_31.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..44d8934ad3f5f64c5a9234a1775da1dabdff3401
--- /dev/null
+++ b/images/chemistry.pdf_page_31.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4465da9b0566fd061da5bcfd0e5c00e0f17261a2faa2ef0d5fb46c61a57d6c7f
+size 36199
diff --git a/images/chemistry.pdf_page_32.jpg b/images/chemistry.pdf_page_32.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..091facc5da791cf63b261d385e4ba293e7280f17
--- /dev/null
+++ b/images/chemistry.pdf_page_32.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f52094cada0c976249f4ee6f784919e7b9cb020a1ff94e301696d339803b998d
+size 62395
diff --git a/images/chemistry.pdf_page_33.jpg b/images/chemistry.pdf_page_33.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d0927776eac7aaedfc94c6923bf5c023f843b886
--- /dev/null
+++ b/images/chemistry.pdf_page_33.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5884158c8caebb639fc436a69b2722f9e02f85ee8d17164ddc1446f6d6ace5fa
+size 88663
diff --git a/images/chemistry.pdf_page_34.jpg b/images/chemistry.pdf_page_34.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3f94b58231b4ce8991157ea7979a2de20f11af12
--- /dev/null
+++ b/images/chemistry.pdf_page_34.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fb36d1b854f5b130bd1d6971e422673e935c39368cad8d939e440c2227715457
+size 77542
diff --git a/images/chemistry.pdf_page_35.jpg b/images/chemistry.pdf_page_35.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3f96ed2e2108f76cd09b7e6d5f18be18bd357ba9
--- /dev/null
+++ b/images/chemistry.pdf_page_35.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f2eed110abb2dc8575dfd2fd777e63a252a5affa6a202f9808298effe25c8839
+size 79836
diff --git a/images/chemistry.pdf_page_36.jpg b/images/chemistry.pdf_page_36.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..8a1c8e1ea84fda10abf49684b5c8636e50fdb1a1
--- /dev/null
+++ b/images/chemistry.pdf_page_36.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:abbb962ec46b7e48ac075f8e365f151158a308f8e66dccd66b88074c3dc2749d
+size 81845
diff --git a/images/chemistry.pdf_page_37.jpg b/images/chemistry.pdf_page_37.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..0c8177eaf98168f9209261bbbf06d344f29b5d94
--- /dev/null
+++ b/images/chemistry.pdf_page_37.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:66aad52ae4d0489027c6535cc674b88a91ad6a144075756008333f2ce9ca2dab
+size 85387
diff --git a/images/chemistry.pdf_page_38.jpg b/images/chemistry.pdf_page_38.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..50355130739298d51b60d458202b7575bb33d4fe
--- /dev/null
+++ b/images/chemistry.pdf_page_38.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b887af95319cbf82136ed555f3e3506c970c0d78b6ebcc6f8542a0186416e45c
+size 68837
diff --git a/images/chemistry.pdf_page_39.jpg b/images/chemistry.pdf_page_39.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..82ff09a742e55a9d12227bb4953cf0ee32a3f349
--- /dev/null
+++ b/images/chemistry.pdf_page_39.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46b9ecbdf9b8d34732ac1ec02f299acd3b2c6d98dc569b01561d4cd311b01529
+size 72255
diff --git a/images/chemistry.pdf_page_4.jpg b/images/chemistry.pdf_page_4.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3feb198e3a591e58a6bf085e711e00eb99caefdf
--- /dev/null
+++ b/images/chemistry.pdf_page_4.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80e0741e3d27e4507f2ec0498cda66745f986c3a4d530fbbd00e904b01326c1a
+size 93418
diff --git a/images/chemistry.pdf_page_40.jpg b/images/chemistry.pdf_page_40.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..92a6ea7da04f0ca307c2bfc6d90445bbbe30134c
--- /dev/null
+++ b/images/chemistry.pdf_page_40.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c639e6d40fabc903b4f4a6f0a64993f909d46706ed6b9cc544625e64ea43b3d
+size 84622
diff --git a/images/chemistry.pdf_page_41.jpg b/images/chemistry.pdf_page_41.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..631dd2070cd278b41583ddfe4c4d0575e8fd1727
--- /dev/null
+++ b/images/chemistry.pdf_page_41.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afe84a5c3d681ecf4b66526759041b538588f069c0464baf8757fd4a4443a570
+size 66041
diff --git a/images/chemistry.pdf_page_42.jpg b/images/chemistry.pdf_page_42.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c6e4ab9465e0ca555ddbc36118c552cf4628fb1a
--- /dev/null
+++ b/images/chemistry.pdf_page_42.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38ac167c0b5cfb2008278c32258a07d3d282fa74eac4f044afde58440f967523
+size 75721
diff --git a/images/chemistry.pdf_page_43.jpg b/images/chemistry.pdf_page_43.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..489d8f7232b00c3593e6874da4203aff83f1e964
--- /dev/null
+++ b/images/chemistry.pdf_page_43.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0ec4840f5911201feee1d8a3d941f5b4443b92329274541bb0c9e334b6962903
+size 85352
diff --git a/images/chemistry.pdf_page_44.jpg b/images/chemistry.pdf_page_44.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2cd572053b809d0334f444a20b39dfcb33673568
--- /dev/null
+++ b/images/chemistry.pdf_page_44.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2244b65c70420cc8ce3df82566d881fa2a74b3685e5054d3b239569ef657aad4
+size 72856
diff --git a/images/chemistry.pdf_page_45.jpg b/images/chemistry.pdf_page_45.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ff20ac809bcb4fc7f22b46f4d4beff5a85ffe086
--- /dev/null
+++ b/images/chemistry.pdf_page_45.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bc3a4c216345436d51674df188b8e9835501f109f141528775626569a99df7b2
+size 87890
diff --git a/images/chemistry.pdf_page_46.jpg b/images/chemistry.pdf_page_46.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..1fccd077d41cc12bd38c13530a438bb9303e2021
--- /dev/null
+++ b/images/chemistry.pdf_page_46.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5673d4d6d35ca86fe83db7e198eb6c5540544a970a862055b77dfd7b73745040
+size 76845
diff --git a/images/chemistry.pdf_page_47.jpg b/images/chemistry.pdf_page_47.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d0ed5e46fb019e9cfa508b7f8758750950931c1d
--- /dev/null
+++ b/images/chemistry.pdf_page_47.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8aae14893413e238e61a5043c8dbd0cbf7f992d7e60559f31e2b4c1eb29c47c1
+size 69343
diff --git a/images/chemistry.pdf_page_48.jpg b/images/chemistry.pdf_page_48.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f43903b53658e915030fba4c8b0f9a3dd9352a39
--- /dev/null
+++ b/images/chemistry.pdf_page_48.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:813a6f7ceb1fafb96a06c2e2f7466e30b3662740a62fac67f1789bbdb61df914
+size 70927
diff --git a/images/chemistry.pdf_page_49.jpg b/images/chemistry.pdf_page_49.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f61d5b6f6fa883a0be516a5be7f859e395c07d71
--- /dev/null
+++ b/images/chemistry.pdf_page_49.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5b748f382d77bebef7ee44a6db81553a1e2835b95cb47a7e5ba897704710a75c
+size 60417
diff --git a/images/chemistry.pdf_page_5.jpg b/images/chemistry.pdf_page_5.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..cdf3c5b09ccd0a0e4e628f45266ad4885e2f23de
--- /dev/null
+++ b/images/chemistry.pdf_page_5.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed2c2228c935e8065b369ef2bf1685aaa56c5ab8717287d5e0e096734b8510d9
+size 76186
diff --git a/images/chemistry.pdf_page_50.jpg b/images/chemistry.pdf_page_50.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f8d94dc374ce795a52ad59a72253e4744e45bc91
--- /dev/null
+++ b/images/chemistry.pdf_page_50.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fed1c7886bfc95d3ba2ac16421921a513d326f2261bdf0c2221e17683543ae31
+size 70542
diff --git a/images/chemistry.pdf_page_51.jpg b/images/chemistry.pdf_page_51.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e85917d0f02b46709fd37eac79bd2290c975aa70
--- /dev/null
+++ b/images/chemistry.pdf_page_51.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:01c2d030b4cabd308e92878857235530d8ecc266d34de90e281cc2919166de55
+size 66367
diff --git a/images/chemistry.pdf_page_52.jpg b/images/chemistry.pdf_page_52.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..26535412f84a55985b9543602d5f370adcc9a500
--- /dev/null
+++ b/images/chemistry.pdf_page_52.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6667b69c58474a6fb26411c0bd82bde1adab62866830c244688a3bde0b068ae
+size 59983
diff --git a/images/chemistry.pdf_page_53.jpg b/images/chemistry.pdf_page_53.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..9eb2adb652263bd7cc217999c8e720c7ed62e6f4
--- /dev/null
+++ b/images/chemistry.pdf_page_53.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c8c92913e4156f7d65dbbce9832ba1ab4785c11ce1a929a0bc7f83cc36983385
+size 66770
diff --git a/images/chemistry.pdf_page_6.jpg b/images/chemistry.pdf_page_6.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..6b875c8f271dc598cc624ecf8992098c3d472cfb
--- /dev/null
+++ b/images/chemistry.pdf_page_6.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2c0988adb731cb5352e1b40a28c098f7168395f4517768ac8e47dceb2f295f42
+size 100158
diff --git a/images/chemistry.pdf_page_7.jpg b/images/chemistry.pdf_page_7.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a0e71da1ead4f7e33e7f4ee8f62378b6dc6110c3
--- /dev/null
+++ b/images/chemistry.pdf_page_7.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85d5f10e5095017864273e465bdfe48f031400b159d5be4a0c732bb8980d5fc1
+size 73029
diff --git a/images/chemistry.pdf_page_8.jpg b/images/chemistry.pdf_page_8.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..1eaa9e452b3d49aba235c315676d8d231db04270
--- /dev/null
+++ b/images/chemistry.pdf_page_8.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:735be2d3bc99cf993ec00c053e29c49e1e3cbde0381ca583c42dbb979bc5e440
+size 73939
diff --git a/images/chemistry.pdf_page_9.jpg b/images/chemistry.pdf_page_9.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..65e9c57c4d260bee1d3aa9c8bc2b3861aa864298
--- /dev/null
+++ b/images/chemistry.pdf_page_9.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c4ba85bd1f90ebc21bdf8a74b7d5e1bda9b29f5929e47b6463b6617431f651d7
+size 91443