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KengaRu [80]
3 years ago
12

Please work out all the problems on this page, no links, no i don't knows please do not take advantage of me or my points please

actually answer these questions

Chemistry
2 answers:
likoan [24]3 years ago
6 0

Answer:

first one-liquids dont have a fixed shape and solids do

Sophie [7]3 years ago
3 0
A- think about what happens when you try to put a block into a cup vs when you put water into a cup. The block is a solid, and doesn't take the shape of the cup. The water does, because it is liquid

Your answer is A: liquids do not have a fixed shape; solids do
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As the vibration of molecules increases, the _____ of the substance increases.
garik1379 [7]
The temperature,internal energy,and kinetic energy will all increase

5 0
2 years ago
Given the equation: HCl + Na2SO4 → NaCl + H2SO4, if you start with 8 moles of hydrochloric acid, how many grams of sulfuric acid
Simora [160]

Answer:

392g sulfuric acid are produced

Explanation:

Based on the balanced equation:

2HCl + Na2SO4 → 2NaCl + H2SO4

<em>2 moles of HCl produce 1 mole of sulfuric acid</em>

<em />

To solve the problem we need to find the moles of sulfuric acid produced based on the chemical equation. Then, using its molar mass -<em>Molar mass H2SO4 = 98g/mol- </em>we can find the mass of sulfuric acid produced:

<em>Moles sulfuric acid:</em>

8mol HCl * (1mol H2SO4 / 2mol HCl) = 4 mol H2SO4

<em>Mass sulfuric acid:</em>

4mol H2SO4 * (98g / mol) =

392g sulfuric acid are produced

4 0
3 years ago
1. A recipe for s'mores calls for 2 graham crackers, 2 chocolate pieces and 1 marshmallow. If I
Dominik [7]

Answer:

1.  7 ,   2.  0 crackers, 6 choc pieces and 1 marshmallow

Explanatio

8 0
1 year ago
Is sugar made of tiny particles
netineya [11]
Sugar and water are made with tiny particles. They are both made from molecules and atoms.
6 0
2 years ago
The process where bacteria takes nitrogen out of the air and makes it usable for other organisms is called
Likurg_2 [28]

Answer:

The process is called Nitrogen fixation

Explanation:

The nitrogen fixation is a process carried out by some prokaryotic microorganisms (bacteria), specifically those have the presence of the nitrogenase enzyme. The bacteria absorb the atmospheric nitrogen (N2) from the roots of plants, and the nitrogenase enzyme, with the help of two proteins that act as electron donors and acceptors (nitrogenase complex) reduce the nitrogen to ammonia (NH3), then the ammonia is ionized to NH4+ (ammonium). Followed by that, the ammonia is oxidated to nitrates and nitrites, which are finally absorbed again by plants.

7 0
3 years ago
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