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Dmitry [639]
3 years ago
10

What are unit conversions used for?

Chemistry
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

B: Unit conversions express an amount in a different unit.

Explanation:

You might be interested in
how many grams of molecular oxygen (O2) is produced from 13.8 grams of calcium chlorate (Ca(ClO3)2)in the following chemical rea
olga2289 [7]

Answer:

6.72 g

Explanation:

Given data:

Mass of calcium chlorate = 13.8 g

Mass of oxygen produced = ?

Solution:

Chemical equation:

Ca(ClO₃)₂        →      CaCl₂ + 3O₂

Number of moles of calcium chlorate:

Number of moles = mass / molar mass

Number of moles = 13.8 g/ 206.98 g/mol

Number of moles = 0.07 mol

Now we will compare the moles of oxygen and  calcium chlorate.

                 Ca(ClO₃)₂         :            O₂

                      1                   :              3

                    0.07               :            3×0.07=0.21 mol

Mass of oxygen:

Mass = number of moles × molar mass

Mass = 0.21 mol × 32 g/mol

Mass = 6.72 g

3 0
3 years ago
If an element is more reactive, is it more likely to be found as an element or a compound?
laila [671]
It is more likely to be found as a COMPOUND, as it is more reactive, by the time we found them, they're already reacted with other elements or compounds to form new compounds.
Example is oxygen, it is very reactive, therefore we often found oxygen in water, which is H2O, in earth, instead of just pure oxygen.
5 0
3 years ago
Which sensory organs help us gather information by seeing things like shapes, colors, and motion around us?
astra-53 [7]

By using eyes we can see shapes, colors, and motion around us.

5 0
3 years ago
Read 2 more answers
Which genotype(s) and phenotype for fur length are dominant?
GREYUIT [131]

If you have a hamster with short fur, what possible genotypes could the hamster have?

Answer:  <u>FF or Ff </u>

Explanation:

If you have a hamster with short fur, what possible genotypes could the hamster have? FF or Ff . ... The mystery hamster was a genotype ff and the phenotype for long fur and the parents can create offspring that have long fur or short fur because they are heterozygous dominant.

next question

If you have a hamster with long fur, what possible genotypes could the hamster have?

Answer: <u>Ff or ff </u>

Explanation:

If you have a hamster with long fur, what possible genotypes could the hamster have? Ff or ff . ... The mystery hamster was a genotype ff and the phenotype for long fur and the parents can create offspring that have long fur or short fur because they are heterozygous dominant.

5 0
3 years ago
Read 2 more answers
If 1,2-dichloroethane has a density of 1.23 g/ml, how do you expect it to sit in a separatory funnel with an aqueous solution?
Jobisdone [24]

1,2-dichloroethane of density 1.23 g/ml would settle down an aqueous solution.

<h3>Density:</h3>

Knowing whether the aqueous layer is above or below the organic layer in the separatory funnel is crucial since it determines which layer is ultimately kept and discarded. Because immiscible solvents have different densities, they will stack on top of one another. The less-dense solution will rest on top, and the more dense one will rest at the bottom.

Due to their low density of less than 1 g/mL, the majority of non-halogenated organic solvents will float on top of an aqueous solution (if they are immiscible). One significant exception is that halogenated solvents will sink below aqueous solutions because they are denser than water (having densities greater than 1 g/mL). Except for halogenated solvents like dichloromethane, which are usually on the bottom, most organic solvents, such as diethyl ether, are on top.

Learn more about aqueous layer here:

brainly.com/question/14356327

#SPJ4

5 0
2 years ago
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