Chemistry, 27.07.2020 09:01 amulets2274
A mix of 0.5236 gr qe contains 42.30% calcium carbonate and 57.70% magnesium carbonate. This sample was treated with hydrochloric acid and the gas produced was collected.
1) what is the gas collected
2) how many grams of gas were produced?
Answers: 3
Chemistry, 21.06.2019 17:00
This line graph compares the growth of plants that were kept in the sun for different amounts of time.a) on day 7, the plants kept in the sun for 3 hours were how tall? b) on day 7, the plants kept in the sun for 6 hours were how tall? c) on day 10, the plants kept in the sun for 9 hours were how tall? d) on day 11, the plant that was grown with 1 hour of sunlight was how tall? e) based on the graph, the plant grows best in what amount of sunlight?
Answers: 1
Chemistry, 21.06.2019 23:50
How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
Answers: 1
Chemistry, 22.06.2019 07:10
Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он
Answers: 2
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
A mix of 0.5236 gr qe contains 42.30% calcium carbonate and 57.70% magnesium carbonate. This sample...
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