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LenaWriter [7]
3 years ago
15

What is the relationship between atoms and mass?

Chemistry
1 answer:
castortr0y [4]3 years ago
6 0

Answer:

Explanation:

A property closely related to an atom's mass number is its atomic mass. The atomic mass of a single atom is simply its total mass and is typically expressed in atomic mass units or amu.

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According to the first law of thermodynamics, what quantity is conserved?.
erik [133]

Answer:

energy

Explanation:

The First Law of Thermodynamics (Conservation) states that energy is conserved, it cannot be created nor destroyed.

5 0
2 years ago
For each row in the table below, decide whether the pair of elements will form a molecular compound held together by covalent ch
maw [93]

Answer:

1- yes

  HBr--hydrogen bromide

2- no

  BaBr₂----barium bromide  

3- yes

NCl----- nitrogen chlorine  

 

5 0
3 years ago
Know and be able to identify the different properties of minerals
Arlecino [84]
Color, Streak, Hardness, Cleavage or Fracture, Crystalline Structure, magnetism, Tenacity, and Amount of Transparency, etc. Hope this helps :)<span />
5 0
3 years ago
A protein sample has been treated differently before being loaded onto the gel for SDS-PAGE. The first aliquot of the sample is
jenyasd209 [6]

Answer:

\boxed{\text{There are no disulfide bonds in the protein}}

Explanation:

The most easily reduced groups in a protein are disulfide bonds, RS-SH.

\text{If there is no difference in results with and without a reducing agent,}\\\text{this indicates that \boxed{\textbf{there are no disulfide bonds in the protein.}}}

5 0
3 years ago
93.2 mL of a 2.03 M potassium fluoride (KF) solution
Marrrta [24]

Answer:

1.98 M

Explanation:

Given data

  • Initial volume (V₁): 93.2 mL
  • Initial concentration (C₁): 2.03 M
  • Volume of water added: 3.92 L

Step 1: Convert V₁ to liters

We will use the relationship 1 L = 1000 mL.

93.2mL \times \frac{1L}{1000mL} = 0.0932 L

Step 2: Calculate the final volume (V₂)

The final volume is the sum of the initial volume and the volume of water.

V_2 = 0.0932L + 3.92 L = 4.01L

Step 3: Calculate the final concentration (C₂)

We will use the dilution rule.

C_1 \times V_1 = C_2 \times V_2\\C_2 = \frac{C_1 \times V_1}{V_2} = \frac{2.03 M \times 3.92L}{4.01L} = 1.98 M

3 0
3 years ago
Read 2 more answers
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