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weqwewe [10]
2 years ago
14

The cubic centimeter, which is often abbreviated as cc or cm3, is a metric unit for

Chemistry
2 answers:
serg [7]2 years ago
7 0

Answer:

Volume

Explanation:

Cubic centimeters are used to measure the space an object takes up, or its volume.

vesna_86 [32]2 years ago
4 0

Answer:

Volume

Explanation:

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How many grams of O2 are needed to react with 18.2 g of NH3?
erastova [34]

Answer:

44 g oxygen are needed.

Explanation:

Given data:

Mass of oxygen needed = ?

Mass of ammonia = 18.2 g

Solution:

Chemical equation:

4NH₃ + 5O₂   →  4NO + 6H₂O

Now we will calculate the number of moles of ammonia:

Number of moles = mass/molar mass

Number of moles = 18.2 g/ 17 g/mol

Number of moles = 1.1 mol

Now we will compare the moles of ammonia with oxygen from balance chemical equation.

                        NH₃              :                O₂

                          4                 :                 5

                          1.1                :              5/4×1.1 = 1.375 mol

Mass of oxygen needed:

Mass = number of moles × molar mass

Mass = 1.375 mol × 32 g/mol

Mass = 44 g

4 0
3 years ago
Why is argon monoatomic in nature​
siniylev [52]
Argon monatomic in nature because it is a noble gas and has completely filled shells and thus does not form a bond with other elements.
7 0
3 years ago
Two people are pushing on a shopping cart from opposite sides. When will the motion of
Darina [25.2K]

Answer:

The answer is B

7 0
3 years ago
Calculate the oxidation state of the underlined elements of K2 Cr2 O7
Semenov [28]

Answer:

+4

Explanation:

In PbO2, oxygen exhibits an oxidation number of -2 (since it's not a peroxide or superoxide):

Let the oxidation number of Pb be x. Then, for the compound to be neutral, the oxidation numbers of all atoms should add up to zero.

⇒ x + (−2) + (−2) = 0

x = +4

So the oxidation no. of Pb is +4.

I hope this helps.

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2 years ago
Where can I find free piano sheet music for the elements song by Tom Lehrer?
zimovet [89]
Just search it up on the internet:)
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