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koban [17]
3 years ago
13

4. When you completed your experiment, you measured that 0.99 L of CO2 was released,

Chemistry
1 answer:
sergey [27]3 years ago
7 0

Answer:

Sodium Carbonate was the unknown powder

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What is the mass of and object with a volume of 100 cm3 and a density of 10 g/cm3?
nadezda [96]

Answer:

1000 g

Explanation:

d = m/v

We are given d: 10g/cm3

and v: 100cm3

Plug them into the equation to get 10 = m/100

Then, cross multiply 10x100 to get mass which is: 1000g

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3 years ago
If you start with 4.3 moles of NH3, how many moles of NANH2 can be produced
mash [69]

Explanation:

Mole ratio of NH3 to NaNH2 = 2 : 2.

Moles of NaNH2 produced

= 4.3mol * (2/2) = 4.3mol.

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3 years ago
Example of a neutral mutation?
Norma-Jean [14]

The answer is D

Explanation: A RED FLOWER WITH ONE PART COLORED YELLOW

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2 years ago
Claude Bernard first recognized _____.
storchak [24]

Answer : Option B) Plant stomata opening and closing to maintain homeostasis.

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In plants stomatal opening and closing was done for maintaining homeostasis with the external and internal plant environment.

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