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Tamiku [17]
3 years ago
5

EMERGENCY OR I WILL FAIL PLS HELP I WILL MARK BRAINLIEST!!!!

Chemistry
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

1. sublimation

2.melting

3.melting  

4.sublimation

Explanation:

melting is a process when solid changes to liquid

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

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Mass is measured using _____.
oee [108]
Kilograms? im assuming. bcz weight is like newtons or sum shii..
4 0
4 years ago
Read 2 more answers
A kno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
Gre4nikov [31]

Answer:

As, the temperature decreased from 40.0 °C to 0.0 °C an amount will be recrystallized and precipitated as solid crystals in the water (51.0 g - 14.0 g = 37.0 g) and 14.0 g will be dissolved in water.

Explanation:

  • Firstly, we must mention that:

The solubility of KNO₃ per 100.0 g of water at 40.0 °C = 63.0 g.

The solubility of KNO₃ per 100.0 g of water at 0.0 °C = 14.0 g.

  • So, at 40.0 °C, 51.0 g of KNO₃ will be completely dissolved in water.
  • <em>As, the temperature decreased from 40.0 °C to 0.0 °C an amount will be recrystallized and precipitated as solid crystals in the water (51.0 g - 14.0 g = 37.0 g) and 14.0 g will be dissolved in water.</em>
5 0
3 years ago
When you sweat a lot the water content of your blood can drop. Your cells have to maintain a certain level of water and salt in
inn [45]

Answer:

Explanation:

There are key organs and system that assist in ensuring the body maintains homeostasis in the case of water-salt balance.

The excretory system: When one sweats, a lot of water content of the blood can drop (this is what causes the individual to be thirsty). In order to maintain a certain water-salt balance, the excretory system passes some salt out of the body in the form of urine (this is the reason the urine is usually yellowish but small in volume during the summer).

Endocrine system: When water content of the blood drops, vasopressin (also called antidiuretic hormone) is released into the bloodstream stimulating the kidneys to conserve water and release less urine (as said earlier). However, if the body is hydrated, less vasopressin is released and more water is passed in the urine.

5 0
3 years ago
The field at BBVA Compass Stadium is 110 yards long. Convert this to feet.
sveta [45]

330feet

Explanation:

Given parameter:

   Length of field = 110yards

 

  problem:

     Convert the given length to feet

Both feet and yard are units of measurement of the length of a body. They describe how long a body is.

       

           1yard  = 3 foot

           110yard =   3 x  110 = 330feet

A length of 110yards is 330feet

learn more:

Conversion brainly.com/question/1548911

#learnwithBrainly

8 0
3 years ago
An ion is created when __________ are added or removed. A. protons B. neutrons C. electrons D. protons and neutrons
mr_godi [17]

C. electrons

An ion is formed when electrons are gained or lost.

4 0
3 years ago
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