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andrey2020 [161]
3 years ago
6

Homeostasis is

Chemistry
1 answer:
Marrrta [24]3 years ago
4 0
Homeostasis is the ability to maintain stable internal conditions B is the answer
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What is the substance that is formed when the acid react with bases in a neutralization reaction?​
Leya [2.2K]

Answer:

Water and Salt

Explanation:

A neutralization reaction occurs when an acid and a base react to produce water and a salt, and it entails the formation of water from the mixture of H+ and OH- ions.

4 0
3 years ago
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What is the name C2H4
vodka [1.7K]

Ethylene, also named ethene.

Explanation:

<em>Is this the answer you're looking for?</em>

6 0
3 years ago
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Hydrogen gas is produced when zinc reacts with hydrochloric acid. If the actual yield of this reaction is 85%?
solong [7]

Answer:

d. 380g

Explanation:

The reaction of production of hydrogen from zinc and HCl is:

Zn + 2HCl → ZnCl₂ + H₂(g)

At STP (1atm of pressure and 273.15K), 112L are:

n = PV /RT

n = 1atm×112L / 0.082atmL/molK×273.15K

<em>n = 5.00 moles </em>

That means you need to produce 5.00 moles of hydrogen. Based on the reaction, 1 mole of Zn produce 1 mole of H₂(g), as yield of reaction is 85%:

5.00 moles H₂(g) ≡ 5.00 moles of Zn / 85% = <em>5.88 moles of Zn you need</em>

As molar mass of Zn is 65.38 g/mol:

5.88 moles Zn × (65.38g /mol) = 384 g of Zn ≡ <em>d. 380g</em>

<em></em>

I hope it helps!

3 0
3 years ago
10. Many cooking pans are made of aluminium although it is a reactive metal, Explain.​
leva [86]

Answer:

Aluminium is a highly reactive metal yet it is used to make utensils for cooking this is because aluminium reacts with oxygen present in air to form a thin layer of Aluminium oxide is oxide layer is very stable and prevent for the reaction of aluminium with oxygen

6 0
3 years ago
Which number is 0.0069 expressed in scientific notation?
natali 33 [55]
6.9 x 10 to the power of 3 if I am not mistaken.
7 0
3 years ago
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