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chubhunter [2.5K]
3 years ago
14

If 15.0 liters of neon at 25.0 °C is allowed to expand to 25.0 liters, what must the new temperature in Celsius be to maintain c

onstant pressure?
Chemistry
1 answer:
ankoles [38]3 years ago
8 0

Answer:

35

Explanation:

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Only valence electrons can be shared stolen or given away<br><br> True <br><br> False
Vesna [10]

Answer:

false

Explanation:

idk

5 0
3 years ago
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Question 1: A substance that is soluble in two liquids and makes an emulsion last longer is called what?
Pavlova-9 [17]

<u>Answer:</u>

1. A substance that is soluble in two liquids and makes an emulsion last longer is called "Emulsifier".

2. The process that reduces the size of particles so emulsions will last longer is called "Homogenization".

<u>Explanation:</u>

Emulsifiers are additives which enable two liquids to mix around each other. Water and oil separate in a container, for an instance, but using an emulsifier can make the liquids blend along. It is widely used on various foods and beverages. Egg yolks and mustard are a few examples of emulsifiers.

Homogenization is the physical mechanism by which the fat molecules in milk are broken down because then they stay incorporated instead of segregated as cream. Majority of the milk sold in the United States is homogenized.

3 0
3 years ago
A chemist adds 135.0 mL of a 0.21M zinc nitrate (Zn(NO3) solution to a reaction flask. Calculate the mass in grams of zinc nitra
yKpoI14uk [10]

Answer:

5.36 grams the mass in grams of zinc nitrate the chemist has added to the flask.

Explanation:

Molarity=\frac{\text{Moles of solute}}{\text{Volume of the solution (L)}}

Moles of zinc nitrate = n

Volume of the solution = 135.0 mL = 0.1350 L

Molarity of the solution = 0.21 M

0.21 M=\frac{n}{0.1350 L}

n=0.21M\times 0.1350 L=0.02835 mol

Mass of 0.02835 moles of zinc nitrate:

0.02835 mol × 189 g/mol = 5.358 g ≈ 5.36 g

5.36 grams the mass in grams of zinc nitrate the chemist has added to the flask.

8 0
4 years ago
Why is the melting of ice a physical change? It changes the chemical composition of water. It does not change the chemical compo
snow_lady [41]
It does not change the chemical in the composition of water. hope it helps
3 0
3 years ago
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Some areas of the Earth receive more solar radiation than others. Which of the following results from the Sun's uneven heating o
STatiana [176]

<em><u>Some areas of the Earth receive more solar radiation than others and this Sun’s uneven heating of the Earth result in  </u></em>

i. <em><u>Climate </u></em>

ii. <em><u>Weather </u></em>

iii. <em><u>Ocean currents </u></em>

Further Explanations:

Earth receives varied amount of solar radiation in its different parts. The situation is due to the orbicular shape of the Earth and inclination of the sun during different time of the year. We can see one such example that, during June sun is overheard Tropic of cancer and during September it is overhead Tropic of Capricorn. Because of the inclination,different regions of the Earth experience different climate at the same span of time. This unevenness results in the following phenomenon:

i. Climate:Climate is a continuing average weather condition of a place. Some of the climatological variables commonly measured to determine the climate   temperature, moistness, atmospheric pressure, current of air, and precipitation.

ii. Weather: It is defined as the state of atmosphere, describing the degree of heat or coldness, wetness or aridness, calm or stormy. It also refers to daily temperature and rainfall activities.

iii. Ocean Current: It is more or less perpetual or continuous engaged movement of oceanic water flowing on the Earth’s oceans. The current gets created as the resultant of geological forces acting on the oceanic surface.

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  3. Which of the following is not true about sedimentary rocks? a. they are formed through compaction and cementation. c. they occur from igneous rock fragments. b. they are made up of sediments. d. they are not part of the rock cycle? <u>brainly.com/question/2740663 </u>

Answer Details :

Grade: High School

Subject: Geography

Chapter: Climate

Keywords:

Earth, solar radiation, orbicular shape, June, sun, Tropic of cancer, Tropic of Capricorn,Climate,climatological variables, climate   temperature, moistness, atmospheric pressure, current of air, and precipitation, daily temperature ,rainfall activities

4 0
4 years ago
Read 2 more answers
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