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Simora [160]
3 years ago
12

If you blow dry your wet hair is it a physical or a chemical change

Chemistry
1 answer:
Scilla [17]3 years ago
5 0
Its a physical change
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Tutorial Service is considered as what type of product?
MissTica

Answer:

A tutorial, in education, is a method of transferring knowledge and may be used as a part of a learning process. More interactive and specific than a book or a lecture, a tutorial seeks to teach by example and supply the information to complete a certain task.

3 0
3 years ago
What is the pH of a solution with a concentration of 1.0 * 10-4 M?
Maksim231197 [3]

Answer: pH = 10

Explanation: First solve for pOH using the equation pOH=-log[OH-] = 4

Then plug the pOH in the equation, pH + pOH =14

then solve for pH. pH =14 - 4 = 10

7 0
3 years ago
Read 2 more answers
A balloon is filled with 30L of helium gas at 1atm.What is the volume when balloon rises to an attitude where the pressure is on
Harrizon [31]

Answer:

V_2=120L

Explanation:

Hello!

In this case, since Helium is undergoing a volume-pressure change, according the Boyle's law, we infer the following equation is used:

P_1V_1=P_2V_2

Thus, since we are not given the volume at 0.25 atm, we can solve for V2 to do so:

V_2=\frac{P_1V_1}{P_2}

Thus, we plug in to obtain:

V_2=\frac{1atm*30L}{0.25atm}=120L

Best regards!

7 0
3 years ago
A neutral atom has 1 valence electron and its atomic mass is 39. How many
uranmaximum [27]

Answer: I think probaly wrong so probaly dont

listen to me

Explanation:

5 0
3 years ago
Which enzyme is not part of gluconeogenesis?
lisov135 [29]

Phosphoenol pyruvate enzyme is not part of gluconeogenesis.

<h3>Phosphoenol pyruvate</h3>

The ester formed when pyruvate and phosphate are combined to form an enol results in phosphoenol pyruvate (2-phosphoenolpyruvate, or PEP). As an anion, it exists. In biochemistry, PEP is a crucial intermediary. Involved in glycolysis and gluconeogenesis, it boasts the highest-energy phosphate bond yet discovered in an organism (61.9 kJ/mol). It also plays a role in carbon fixation and the manufacture of a number of aromatic chemicals in plants. In bacteria, it provides energy for the phosphotransferase system. Enolase reacts with 2-phosphoglyceric acid to produce PEP as a result. Pyruvate kinase (PK) converts PEP to pyruvic acid, and this process produces adenosine triphosphate (ATP) via substrate-level phosphorylation. One of the main units of currency for chemical energy in cells is ATP.

Learn more about Phosphoenol pyruvate here:

brainly.com/question/14838756

#SPJ4

6 0
2 years ago
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