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ZanzabumX [31]
1 year ago
14

A solution is prepared by mixing 38.0L of pyrimidine and 442.0L of water. What is the percent volume of pyrimidine in this solut

ion?
Chemistry
1 answer:
klasskru [66]1 year ago
0 0

I have the same question and cant still answer it so I need the answers

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How many calories of are required to heat 731 grams of water from 35°c to 83°c? (assume that the specific heat of water is 1.00
marysya [2.9K]
Q=McDeltaT
Q=731g×1.00cal/g°c×(83°c-35°c)
Q=35088cal
therefore, their are 35088 calories are required to heat up 731g of water.
4 0
2 years ago
Read 2 more answers
Comparing the energy and particle motion of the four states of matter, rank them from least energy to most energy.
Alekssandra [29.7K]

The ranking of the states of matter from the least energy to most energy is; Solid, liquid, gas, plasma. Option D

<h3>What is the kinetic theory of matter?</h3>

We know that from the kinetic theory of matter, the molecules that compose matter are in constant random motion and thus they collide with the walls of the container.

Solids have great intermolecular forces hence the particles do not translate. The particles in a liquid are more looses held thus they translate. In gases and plasma, the intermolecular interaction is quite infinitesimal hence they move at high speeds.

Thus, the ranking of the states of matter from the least energy to most energy is; Solid, liquid, gas, plasma. Option D

Learn more about states of matter:brainly.com/question/9402776

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6 0
6 months ago
Two cars are involved in a head-on collision in an alley. The driver of a car with mass,
Ratling [72]

Answer:

The correct assumption of the given situation is required.

The correct option is

Either the driver of the westbound car overestimated his velocity or the driver of the eastbound car underestimated his velocity,

= Mass of west moving car = 1200 kg

= Mass of east moving car = 1000 kg

= Velocity of west moving car = -7 m/s

= Velocity of east moving car = 10 m/s

v = Combined velocity of the cars = 3 m/s

From the conservation of momentum we get

So, either westward (  ) moving car needs to have more velocity or eastward () moving car needs to have less velocity.

Since, mass is constant only the velocity can be different.

The correct option is

Either the driver of the westbound car overestimated his velocity or the driver of the eastbound car underestimated his velocity.

Explanation:

3 0
1 year ago
which of the following terms refers to areas of gas on the on the suns surface that are cooler than the gases around them
olganol [36]
The answer is Sunspots, these certain spots are black and dark, and are much cooler than the surrounding surface.
6 0
2 years ago
Write the ground state electron configuration of zn using the noble-gas shorthand notation.
V125BC [204]
Atomic Number of Zinc is 30, means it contains 30 electrons. So, its electronic configuration is as follow,

                                    1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰
As,
          1s², 2s², 2p⁶, 3s², 3p⁶  =  Argon
So,
Electronic configuration of Zinc in shorthand notation is as follow,

                                     [Ar] 4s², 3d¹⁰
8 0
2 years ago
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