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REY [17]
3 years ago
13

Prepare a 1.00 L of M solution of sodium carbonate . Determine the amount of sodium carbonate needed incorrect significant figur

es.
A)21g
B) 26.g
C)332g
D ) 424g
Chemistry
1 answer:
Vedmedyk [2.9K]3 years ago
4 0

Answer:b

Explanation:

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Write the IUPAC name OF THE FOLLOWING COMPOUNDS
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Answer:

Explanation:

a) 2 chloro butane

b) 2-3 dimethyl butane

c) 2 bromo 3 nitro pentane

d) 2-3 trimethyl pentane

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f) 2-methyl cyclo butane

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Explain why there might be a change in the density of a forged product as compared to that of the cast blank.
kkurt [141]

Answer:

Forged parts are often tougher than cast parts. This can be determined by performing tensile tests on various areas on the parts. Additionally, the microstructures of forged and cast parts can be used to determine if a part was forged or cast. The microstructure of a cast part will have a more uniform grain structure.

Explanation:

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2 years ago
During a change of state, the temperature of a substance _____.
Natali5045456 [20]
Hello,

Your questions states:

During a change of state, the temperature of a substance _____?

In which you gave us some choices:

A. decreases if the arrangement of particles in the substance changes.
B. remains constant until the change of state is complete.
C. increases if the kinetic energy of the particles in the substance increases.
D. increases during melting and vaporization and decreases during freezing and condensation.

Your answer would be:

B. remains constant until the change of state is complete.

Your explanation/Reasoning:

It absorbs the energy, then after the phase changes it then increases the temperature all over again.

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Hope this helps!

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3 years ago
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What volume would a sample of gas occupy in LITERS at 0.985 atmospheres and a volume of 3.65 liters if the pressure were raised
musickatia [10]

Answer:

3.18 L

Explanation:

Step 1: Given data

  • Initial pressure (P₁): 0.985 atm
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  • Final pressure (P₂): 861.0 mmHg
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Step 2: Convert P₁ to mmHg

We will use the conversion factor 1 atm = 760 mmHg.

0.985 atm × 760 mmHg/1 atm = 749 mmHg

Step 3: Calculate the final volume of the gas

Assuming ideal behavior and constant temperature, we can calculate the final volume using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁/P₂

V₂ = 749 mmHg × 3.65 L/861.0 mmHg = 3.18 L

7 0
2 years ago
Question 3 of 10
lions [1.4K]

Answer: The answer is C. The reaction system absorbs 22 kJ of energy from the surroundings.

Explanation: I just took the quiz and it said I got it right.

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