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antiseptic1488 [7]
3 years ago
10

Which statement gives a reason why scientist think that the universe began with an explosion

Chemistry
1 answer:
yaroslaw [1]3 years ago
8 0

I believe the answer is

At the moment it is the best way of explaining our scientific knowledge.


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Questions<br> Answer all please
dybincka [34]

Answer:

Both,

Both,

Vertical

Explanation:

When you push a lawn mower, you can be moving up and down or across, when your pushing a wheel barrel you can do the same, when you do a push up your going up and down which is vertical.

6 0
3 years ago
Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce aqueous sodium sulfate Na2SO4 and liquid wate
allochka39001 [22]

Answer:

a) 2NaOH+H2SO4→Na2SO4+2H2O2NaOH+H2SO4→Na2SO4+2H2O

b) Số phân tử NaOH : Số phân tử H2SO4 = 2:1

Số phân tử NaOH : Số phân tử Na2SO4 = 2:1

Số phân tử NaOH : Số phân tử H2O = 2:2

Explanation:

8 0
2 years ago
Homeostasis is
Marrrta [24]
Homeostasis is the ability to maintain stable internal conditions B is the answer
4 0
3 years ago
Hydrogen gas explosive within range of 4%-75% v/v. Assuming that each student in your class produces 6 L of H2 and that the lab
SpyIntel [72]
To determine whether the amount of H2 in the lab is dangerous, we first need to know how much hydrogen gas is present in the room in units of percent by volume. For this particular problem, we cannot exactly determine since we do not know the total volume of the room. Hope this answers the question.
3 0
3 years ago
(26+2)÷7 what is the answer
jek_recluse [69]
First, we have to to whatever is in the parentheses:

(26 + 2)/7
(28)/7

Now solve:

28/7
4

Hope this helps!
4 0
3 years ago
Read 2 more answers
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