Chemistry, 31.08.2019 00:40 genyjoannerubiera
Some fuel cells are powered by hydrogen. scientists are looking into the decomposition of water (h2o) to make hydrogen fuel with the of the sun’s energy. what challenge do scientists face with this task?
a: decomposing water requires a high activation energy.
b: the sun isn't a renewable resource.
c: decomposing water results in toxic byproducts.
d: scientists are uncertain what to do with the excess oxygen.
Answers: 2
Chemistry, 21.06.2019 16:20
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.
Answers: 2
Chemistry, 22.06.2019 01:30
The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?
Answers: 3
Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
Answers: 2
Chemistry, 23.06.2019 01:30
Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .
Answers: 2
Some fuel cells are powered by hydrogen. scientists are looking into the decomposition of water (h2o...
Mathematics, 28.04.2021 15:40
Advanced Placement (AP), 28.04.2021 15:40
Mathematics, 28.04.2021 15:40
History, 28.04.2021 15:40
Business, 28.04.2021 15:40
Mathematics, 28.04.2021 15:40
Mathematics, 28.04.2021 15:40
Social Studies, 28.04.2021 15:40
Mathematics, 28.04.2021 15:40