Answer:
7.5 g of hydrogen gas reacts with 50.0 g oxygen gas to form 57.5 g of water.
Explanation:
Here we have the check if the mass of the reactants is equal to the mass of the products.
Reactants

Products

The data is consistent with the law of conservation of matter.
Reactants

Products

The data is not consistent with the law of conservation of matter.
Reactant

Products

The data is not consistent with the law of conservation of matter.
Only the first data is consistent with the law of conservation of matter.
Answer:
<h3>Being a science geek the ans is <u><em>
Li2CO3</em></u></h3>
Explanation:
Answer:
I think finding the source of the fire would be the most difficult aspect seeing as though the fire would have burned any evidence
Explanation:
Answer:
well try talking to him first and being his friend. introduce yourself and try not to be too awkward or shy. can't reltate lol. after that if he really likes you, he'll initiate stuffs ^^
Explanation:
The maximum temperature that a PVC can withstand is 130° C. Beyond this the PVC will melt. From the choices given the correct answer is option D. 130° C.