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Yakvenalex [24]
3 years ago
15

Consider two liquids, labeled A and B, that are both pure substances. Liquid A has

Chemistry
1 answer:
Scrat [10]3 years ago
4 0
E is the correct answer
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A sample of gas is held at constant pressure. Increasing the Kelvin temperature of this gas sample causes the average kinetic en
Maksim231197 [3]
Increase.
I don't even know the point of the first sentence. Average Kinetic Energy *is* temperature. The higher AVE the higher the temp. The higher the temp the faster the AVE. They're directly correlated.
5 0
3 years ago
A chemical change involves the formation or the breaking of bonds. true or false
dusya [7]
The answer would be true.
5 0
2 years ago
Read 2 more answers
1. Freon (CCl2F2) is commonly used in refrigerators and air conditioners as a coolant. How many grams of fluorine are there in t
Georgia [21]

Answer:

285g of fluorine

Explanation:

To solve this problem we need to find the mass of Freon in grams. Then, with its molar mass we can find moles of freon and, as 1 mole of Freon, CCl₂F₂, contains 2 moles of fluorine, we can find moles of fluorine and its mass:

<em>Mass Freon:</em>

<em>2.00lbs * (454g / 1lb) = </em>908g of Freon

<em>Moles freon -Molar mass: 120.91g/mol- and moles of fluorine:</em>

908g of Freon * (1mol / 120.91g) =

7.5 moles of freon * (2moles Fluorine / mole Freon): 15 moles of fluorine

<em>Mass fluorine -Atomic mass: 19g/mol-:</em>

15 moles F * (19g / mol) =

<h3>285g of fluorine</h3>

3 0
3 years ago
PLEASE HELPPP 100 POINTS!!
MissTica

Answer:

1) pentane is of higher Molecular mass than propane hence heavier member

2) due to intermolecular hydrogen bonding methanol is liquid having lower molecular weight

3) I) in methanol C = sp3

ii) in methanoic acid C= sp2

5)I) i) The two carbon-oxygen bonds in the methanoate anion, HCO2-, have the same length due to resonance stabilization of the C-O bond

Explanation:

See attachment for question 4

7 0
3 years ago
Which part of an object's rate of change best defines acceleration?
Marat540 [252]

Answer:

Velocity

Explanation:

The change of velocity rate it's the definition of acceleration.

While increasing or decreasing velocity, it means that an acceleration it's happening.

Using some math:

a=\frac{dv}{dt}

This can be read as "the acceleration it's equal to te variation of velocity with respect to time"

8 0
3 years ago
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