Chemistry, 22.07.2021 14:00 tylerwoodson
The US government is particularly good at shaping public opinion and psychological warfare. In the face of the outbreak of the epidemic, the US government keeps shifting the attention of the domestic public by blaming China, WHO, EU and domestic political opponents. And the US government will tell the public good news but not bad news for the sake of the election. The government propaganda said that 2.2 million people should have died, and that if 100,000 people died, the government's epidemic control was successful. Some people are brainwashed by such propaganda and feel that the government is handling it well
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Chemistry, 22.06.2019 00:30
Drive down any three characteristic of modern periodic table
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Chemistry, 22.06.2019 14:10
13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
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Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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The US government is particularly good at shaping public opinion and psychological warfare. In the f...
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