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melisa1 [442]
3 years ago
7

Which of the following statements is true about atoms?

Chemistry
1 answer:
Leokris [45]3 years ago
6 0

Atoms of the same element may have different mass numbers.

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20 PTS<br> SHOW ALL WORK AND EXPLAIN PLZ<br><br> What is the molar mass of chlorine gas?
Anastaziya [24]
Chlorine= 35.5 +35.3= 71 a.m.u.
5 0
3 years ago
Step 6: Measure Solubility in Boiling Water
Masteriza [31]

Answer:

the answer is 102- i took did it on edg

Explanation:

8 0
2 years ago
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Is the H¬O bond in water nonpolar covalent, polar covalent, or ionic? Define each term, and explain your choice.
nydimaria [60]

Like hydrogen fluoride (HF), water (H2O) is a polar covalent molecule.

The electron pair in a non-polar covalent bond is shared equally by the two bonded atoms, but in a polar covalent bond, the electron pair is shared unequally by the two bonded atoms. Differences in electronegativity are what lead to polar bonding.

The entire transfer of valence electron(s) between atoms is referred to as an ionic bond. It is a kind of chemical connection that produces two ions with opposing charges. In ionic bonding, the nonmetal takes the lost electrons to form a negatively charged anion while the metal loses them to become a positively charged cation.

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5 0
1 year ago
I need help anyone???
N76 [4]
1-requires carbon

2-requires carbon for photosynthesis to occur

3-carbon is an output of cellular resp.

Hope this helps:)
3 0
3 years ago
Enter your answer in the provided box.
olga55 [171]

Answer:

10.5L

Explanation:

The volume in this question can be calculated by using the formula for gas law equation as follows:

PV = nRT

Where;

P = pressure (atm)

V = volume (litres)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

T = temperature (K)

According to the provided information in this question:

P = 6.18 atm

V = ?

n = 2.35 moles

R = 0.0821 Latm/molK

T = 63°C = 63 + 273 = 336K

Using PV = nRT

V = nRT/P

V = 2.35 × 0.0821 × 336/ 6.18

V = 64.83/6.18

V = 10.49

V = 10.5L

4 0
2 years ago
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