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PolarNik [594]
4 years ago
8

Why is it important for scientist to review and repeat the work of other scientists?

Chemistry
2 answers:
noname [10]4 years ago
6 0

So that other scientists can verify the first results.

CaHeK987 [17]4 years ago
4 0

It is important because they need to check each others work, this way they can get more accurate answers.

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H
Harman [31]

Answer:c

Explanation: it's easy

7 0
4 years ago
Students working in lab accidentally spilled 17 l of 3.0 m h2so4 solution. they find a large container of acid neutralizer that
jek_recluse [69]

Answer is: 8568.71 of baking soda.

Balanced chemical reaction: H₂SO₄ + 2NaHCO₃ → Na₂SO₄ + 2CO₂ + 2H₂O.

V(H₂SO₄) = 17 L; volume of the sulfuric acid.

c(H₂SO₄) = 3.0 M, molarity of sulfuric acid.

n(H₂SO₄) = V(H₂SO₄) · c(H₂SO₄).

n(H₂SO₄) = 17 L · 3 mol/L.

n(H₂SO₄) = 51 mol; amount of sulfuric acid.

From balanced chemical reaction: n(H₂SO₄) : n(NaHCO₃) = 1 :2.

n(NaHCO₃) = 2 · 51 mol.

n(NaHCO₃) = 102 mol, amount of baking soda.

m(NaHCO₃) = n(NaHCO₃) · M(NaHCO₃).

m(NaHCO₃) = 102 mol · 84.007 g/mol.

m(NaHCO₃) = 8568.714 g; mass of baking soda.

8 0
3 years ago
Explain how the sun releases enormous amounts of heat energy. A) Hydrogen atoms fuse into larger helium atoms and release energy
bearhunter [10]

Answer:

A) Hydrogen atoms fuse into larger helium atoms and release energy in the form of solar radiation.

Explanation:

dont know why that person said c..

6 0
4 years ago
Read 2 more answers
12 G of carbon react with 16 G of oxygen how much carbon monoxide is formed ​
elena55 [62]

Answer:

28 g CO

Explanation:

First convert grams to moles.

1 mole C = 12.011 g (I'm just going to round to 12 for the sake of this problem)

12 g C • \frac{1 mol C}{12 g C} = 1 mol C

1 mol O = 15.996 g (I'm just going to round to 16)

16 g O • \frac{1 mol O}{16 g O} = 1 mol O

So the unbalanced equation is:

C + O_{2} -> CO (the oxygen has a 2 subscript because it is part of HONClBrIF meaning when not in a compound these elements appear in pairs - called diatomic elements)

The balanced equation is:

2 C + O_2 -> 2 CO

However, carbon is the limiting reactant in this equation and two moles cannot react because only 12 g (1 mole) are present. Therefore, use the equation

C + \frac{1}{2} O_2 -> CO.

1 mole of CO is formed, therefore 12 g + 16 g = 28 g CO.

3 0
3 years ago
K + Cl2 --&gt;_KCI<br> -<br> a<br> 2,3<br> b<br> 32<br> С<br> 2,2<br> 1,2<br> d
Goryan [66]

Answer:

b 32

Explanation:

6 0
3 years ago
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