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Sati [7]
3 years ago
5

4 Fe + 6 H₂O + 3 O₂ → 4 Fe(OH)₃

Chemistry
1 answer:
levacccp [35]3 years ago
6 0
Someone answer my question please I need help hurry
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You need to make 10 mL of 2 mg/ml solution of protein and you have 25 mg/mL solution. How much protein solution and water do you
meriva

Answer:

0.8 mL of protein solution, 9.2 mL of water

Explanation:

The dilution equation can be used to relate the concentration C₁ and volume V₁ of the stock/undiluted solution to the concentration C₂ and volume V₂ of the diluted solution:

C₁V₁ = C₂V₂

We would like to calculate the value for V₁, the volume of the inital solution that we need to dilute to make the required solution.

V₁ = (C₂V₂) / C₁ = (2mg/mL x 10mL) / (25 mg/mL) = 0.8 mL

Thus, a volume of 0.8 mL of protein solution should be diluted with enough water to bring the total volume to 10 mL. The amount of water needed is:

(10 mL - 0.8 mL) = 9.2 mL

6 0
3 years ago
Prove how the Law Conservation of Mass and Enery apply to Cellular Respiration​
snow_lady [41]

Answer:

mass and energy is reused when those things happen

7 0
3 years ago
There are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic
Leya [2.2K]
Found the choices. Pls see attachment. 

The statements that explains this phenomenon are:
1) DNA contains adenine as one of its nitrogenous bases.
2) DNA has a double-stranded structure that ensures an accurate mechanism of duplication.

6 0
3 years ago
using the knowledge of the structures of argon and chlorine. Explain why they are both gases at room temperature ?
aleksley [76]
Because at atmospheric pressure the boiling point is below room temperature, just like Oxygen, Nitrogen etc
3 0
3 years ago
How are independent and dependent variables related?
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They are pretty much the cause and effect. The independent variable that is being changed in the experiment, so it is the cause. The dependant variable is the result of change the independant variable, so the effect.
3 0
4 years ago
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