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LenaWriter [7]
3 years ago
6

The balloon is removed from the freezer and returned to its initial conditions. It is then heated to a tempatuew of 2T at a pres

sure of 2P. How does the volume of the balloon change?
Chemistry
1 answer:
slavikrds [6]3 years ago
7 0

Answer:

answer: It does not change

Explanation:

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What is the molar mass of magnesium
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Hey there!

The molar mass of magnesium is 24.305 grams.

The molar mass of an element is the same as the atomic mass of an element, but measured in grams.

It's on the periodic table underneath the element symbol.

Hope this helps!

3 0
3 years ago
A triangular-shaped, transparent solid is known as a ______<br><br> A. Cylinder <br> B. Prism
STatiana [176]
B.Prism because it’s triangular and a cylinder is circular
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3 years ago
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How do you calculate the number of neutrons???? please help
vladimir1956 [14]

Answer:

The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).

Explanation:

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8 0
3 years ago
Gamma, beta and alpha radiation are all alike because:
timama [110]
Alpha, beta and gamma radiation are all types of radiation that can be emitted from the nucleus of an atom. Apart from this they are different. Alpha radiation consists of a helium nucleus, beta radiation consists of an electron (or positron) and gamma radiation consists of very high energy electromagnetic radiation. 
8 0
3 years ago
Write the fraction of the mass of kcl produced from 1 g of k2c03​
Minchanka [31]

Mass of KCl= 1.08 g

<h3>Further explanation</h3>

Given

1 g of K₂CO₃

Required

Mass of KCl

Solution

Reaction

K₂CO₃ +2HCl ⇒ 2KCl +H₂O + CO₂

mol of K₂CO₃(MW=138 g/mol) :

= 1 g : 138 g/mol

= 0.00725

From the equation, mol ratio K₂CO₃ : KCl = 1 : 2, so mol KCl :

= 2/1 x mol K₂CO₃

= 2/1 x 0.00725

= 0.0145

Mass of KCl(MW=74.5 g/mol) :

= mol x MW

= 0.0145 x 74.5

= 1.08 g

6 0
3 years ago
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