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Radda [10]
2 years ago
5

4.

Chemistry
1 answer:
Goryan [66]2 years ago
6 0

Answer:

independent variable

Explanation:

tap the independent variable :)

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What has a higher temperature a match or an ice cube
swat32

I would say the match because it has a higher temperature but I kinda feel it’s A ice cube because it’s to much of an easy question

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3 years ago
Which of the following best describes a non metal
Andre45 [30]

Answer:

-a nonmetal is a substance that lacks the characteristics of a metal.

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6 0
3 years ago
Read 2 more answers
How many grams of solute are needed to make 2.50 L of a 1.75 M solution of Ba(NO3)2?
Eddi Din [679]

1143.4grams of solute are needed to make 2.50L of a 1.75M solution of Ba(NO3)2. Details about molarity can be found below.

<h3>How to calculate mass?</h3>

The mass of a substance can be calculated by multiplying the number of moles by its molar mass.

However, the number of moles can be calculated by using the following formula:

Molarity = no of moles ÷ volume

no of moles = 1.75 × 2.5

no of moles = 4.38mol

molar mass of Ba(NO3)2 = 261.34g/mol

mass of Ba(NO3)2 = 261.34 × 4.38

mass of Ba(NO3)2 = 1143.4grams.

Therefore, 1143.4grams of solute are needed to make 2.50L of a 1.75M solution of Ba(NO3)2.

Learn more about mass at: brainly.com/question/19694949

3 0
2 years ago
What is the mass of a steel cylinder that has a density of 75.0 g/ml and a volume of 12 ml?
liubo4ka [24]
Density can be calculated using the following rule:
Density = mass / volume

Therefore:
mass = density * volume

We are given that:
Density = 75 g/ml
volume = 12 ml

Substitute with these givens in the equation to get the mass as follows:
mass = density * volume
mass = 75 * 12
mass = 900 g
3 0
3 years ago
A learner was assigning oxidation numbers for different elements in the compounds OF2 and NaF. The learner assigned F an oxidati
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Answer: B. No, fluorine is always assigned an oxidation number of -1.

Explanation:

6 0
1 year ago
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