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Alex_Xolod [135]
2 years ago
13

Identify the number of atoms in 2CA(SO4) 2

Chemistry
1 answer:
tatiyna2 years ago
8 0
14 I believe e

Hope this helps
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Match the following terms:
AURORKA [14]

Answer:

See below ~

Explanation:

<u>A to B</u>

⇒ Solid Phase

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<u>B to C</u>

⇒ Melting

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<u>C to D</u>

⇒ Liquid Phase

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<u>D to E</u>

⇒ Vaporizing

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<u>E to F and beyond</u>

⇒ Gas Phase

3 0
2 years ago
Hydrogen peroxide decomposes to form water and oxygen gas
EleoNora [17]
True? If that’s what you are asking. It does decompose to that.
7 0
3 years ago
Word Bank: Match each term with the sentence below
Ymorist [56]

Answer:

Electromagnetic Wave Medium Matter:The ability to move or change an object, or what a wave

Longitudinal Wave Trough Rarefaction: The area in a longitudinal wave where the particles are close together.

Transverse Wave Energy Wavelength: The highest point of a transverse wave

Explanation:

give me brainliest

3 0
2 years ago
How many grams of Na2CO3 must be dissolved into 155g of water to create a solution with a molarity of 8.20 mol/kg
zhannawk [14.2K]

Answer:

135g Na2CO3

Explanation:

I'm going to assume you mean Molality which is mol solute/kg solvent

Molarity would be mol soute/ L solution

we know we have 155g of water which is .155 kg

essentially we have the equation:

mol/kg = 8.20

we substitute .155 in for kg and get:

mol/.155 = 8.20

Solving this  gives mol = 1.271

now we must convert to grams using the molar mass

Molar mass Na2CO3 = 106G/mol

so to cancel moles we multiply:

1.271mol x 106g/mol

= 135g

4 0
3 years ago
The half of the moon facing the sun is always lit, but the different phases happen because:
zvonat [6]

Answer:

we only see parts of the lit side as the moon goes around the earth

Explanation:

Unlike the sun, the moon orbits the Earth. This is the reason why we see the <em>different phases of the moon.</em> The reflection of the moon is being illuminated back to us with the help of the sun. So, as the moon circles the Earth, we only see parts of the lit side. Such changes helps us see the moon in different phases such as<em> </em>the <em>Third Quarter, Crescent, New Moon, Full Moon, etc.</em>

For example, during "Full Moon," <em>the moon's entire face is lit up by the sun</em>. Thus, we see the entire moon's lit portion.

Thus, this explains the answer.

7 0
3 years ago
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