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MrMuchimi
3 years ago
15

All camels are basically similar in structure. They have developed adaptations for

Chemistry
1 answer:
Feliz [49]3 years ago
5 0

Answer:

B. Camels’ ears are lined with fur to keep out sand and other blowing matter.

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Which of the following is NOT a sign of a chemical reaction:
Sergeeva-Olga [200]
The answer is B. Precipitation
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3 years ago
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1. Define the term public health.
Flura [38]

Answer:

Public health is "the science and art of preventing disease", prolonging life and improving quality of life through organized efforts and informed choices of society, organizations, communities and individuals.

Explanation:

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3 years ago
What is the formula for ammonium carbonite? How did you get it?
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(NH4)2CO3 is the formula !

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When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 27.6 g of carbon were burned in the presence of
In-s [12.5K]

Answer:

The answer to your question is: 101.2 g of CO2

Explanation:

C = 27.6 g

O₂ = 86.5 g   remained 12.9 g

O₂ that reacted = 86.5 - 12.9 = 73.6 g

                     C     + O₂      ⇒        CO₂      The equation is balanced

                    27.6    73.6                 ?

MW               12        32                  44

Rule of three

                        12 g of C------------------  44 g  CO2

                       27.6 g C  ------------------    x

                  x = 27.6(44)/12 = 101.2 g of CO2

                       32 g of O2 ---------------    44 g of CO2

                        73.6 g of O2 ------------      x

                  x = 73.6(44)/32 = 101.2 g of CO2

6 0
3 years ago
The molar mass of a certain gas is 80.6 g. What is the density of the gas in g/L at STP?
vfiekz [6]
Using the ideal gas equation:
PV = nRT

Substituting n with mass / Mr
PV = mRT/Mr

Density = m/V
So rearranging:
Density = PMr/RT

P = 1 atm
R = 0.082 L atm / K mol
T = 273 K
Density = (1 x 80.6) / (0.082 x 273)
Density = 3.6 g / L
3 0
3 years ago
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