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dmitriy555 [2]
3 years ago
10

The distance from one place to another

Chemistry
2 answers:
Furkat [3]3 years ago
7 0
The answer is possibly the length
Rzqust [24]3 years ago
6 0
Its just called distance
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I have a brick, dimensions 4 cm tall, 9 cm wide, and 25 cm long, with a mass of 1250 g. What is the density?
Likurg_2 [28]

Answer:

1.389

Explanation:

P = m / V

m = 1250

V = 4x9x25 = 900

1250/900 = 1.388889

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3 years ago
If a 100. -g sample of a hydrated compound contains 37.07-g sodium, 48.39-g carbonate and 14.54-g water, find the empirical form
Mumz [18]

he required empirical formula based on the data provided is Na2CO3.H2O.

<h3>What is empirical formula?</h3>

The term empirical formula refers to the formula of a compound which shows the ratio of each specie present.

We have the following;

Mass of sodium = 37.07-g

Mass of carbonate = 48.39 g

Mass of water = 14.54-g

Number of moles of sodium = 37.07-g/23 g/mol = 2 moles

Number of moles of carbonate = 48.39 g/61 g/mol = 1 mole

Number of moles of water = 14.54/18 g/mol = 1 mole

The mole ratio is 2 : 1: 1

Hence, the required empirical formula is Na2CO3.H2O

Learn more about empirical formula : brainly.com/question/11588623

3 0
2 years ago
When the reaction shown is correctly balanced, the coefficients are HNO3 + KOH → KNO3 + H2O
GuDViN [60]
Coefficients are 1,1,1,1
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3 years ago
What type of elements make up ionic bonds?
iragen [17]
Answer: An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal.
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2 years ago
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What do we call the harmful substances that have a negative effect on the environment? *
kumpel [21]

Answer: A.  Pollutants

Explanation:

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