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Aliun [14]
3 years ago
11

What is meant by the word chemical​

Chemistry
1 answer:
frosja888 [35]3 years ago
5 0

Answer:

This is a substance that has definite composition

Explanation:

chemicals are substances that can not be broken down any further by physical process.it is a form of matter having a constant chemical characteristics and properties

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Aleks04 [339]
They are the predator
Known as the “chief predator of their habitat
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What are isotopes..??​
tatuchka [14]

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different number of nurtrons

in there nucleir

Explanation:

.....

6 0
3 years ago
What is the mass of solute dissolved in 50,0 g of 12.5% saline solution? A) 7.148 B) 6.258 C) 43.88 D) 4.00 g
Marizza181 [45]

Answer:

6.25 grams is the mass of solute dissolved.

Explanation:

w/w % : The percentage mass or fraction of mass of the of solute present in total mass of the solution.

w/w\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100

Mass of the solution = 50.0 g

Mass of the solvent = x

w/w % = 12.5%

12.5\%=\frac{x}{50.0 g}\times 100

x = 6.25 g

6.25 grams is the mass of solute dissolved.

6 0
3 years ago
Calculate the mass of 3.57 mol of magnesium nitrate, Mg(NO3)2.
Lerok [7]

Answer:

529

Explanation:

4 0
3 years ago
Read 2 more answers
A food handler puts a food thermometer into a pan of green bean casserole that is being hot-held on the serving line. The thermo
Sidana [21]

Answer:

Yes , the food can be served.

Explanation:

Given the food here is served at 146°F

  • According to FDA(US food and drug administration) Hot foods should be kept at an internal temperature of 140°F or warmer.
  • This is the temperature recquired to maintain the bacteria without spoiling the food .
  • Dishes related to eggs like quiches or soufflés should be served at a minimum of 165°F

Also given that the temperature of the food being served is 146°F which is greater than 140°F(which is the minimum value) Therefore the food can be served.

4 0
3 years ago
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