Chemistry, 02.12.2020 20:00 preservations

Someone please help will mark as brainliest please answer all of the questions

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 20:00, Britny2386

2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4

Answers: 1

continue

Chemistry, 22.06.2019 03:30, HayleiMae

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Answers: 1

continue

Chemistry, 22.06.2019 13:30, ayoismeisalex

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Answers: 1

continue

Chemistry, 22.06.2019 18:10, pearfam98

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)

Answers: 1

continue

You know the right answer?

Someone please help will mark as brainliest please answer all of the questions
...