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makkiz [27]
3 years ago
8

Zoom 863-5858-6341 pass zy7vx3

Chemistry
1 answer:
Kitty [74]3 years ago
5 0

Answer:

You shouldn't post your zoom information like that on here anybody could get.

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Similar cells with the same function, all working together for the same purpose, form the 2nd level of organization in an organi
inn [45]

Answer:

tissue

Explanation:

cell→tissue→organ→systems→organism

7 0
3 years ago
Explain why water does not heat up or cool off as quickly as air does.
lakkis [162]
No, water does not heat up or cool down faster than soil. This is because soil has lower specific heat. Specific heat is how long it takes for a substance to <span>heat up or cool down</span>
7 0
3 years ago
Please help me with this thank you I’ll give extra credit! Thank you againnnn !!
Anon25 [30]

Answer: i have not 1 idea

Explanation:

4 0
3 years ago
Suppose 35 mg of benzoic acid is dissolved in 7 mL of dichloromethane. The resulting organic solution is then extracted with
olga nikolaevna [1]

Answer:

Kp = 13.3

Explanation:

Partition coefficient is used to extract or purify a solute from a solvent selectively to avoid interference from other substances. The formula is:

Kp = Concentration of solute in organic solvent / Concentration of solute in H₂O

As the CH₂Cl₂ is containing 31mg, water is containing 4mg. Replacing in the formula:

Kp = (31mg/7mL) / (4mg/12mL)

<h3>Kp = 13.3</h3>
7 0
4 years ago
If 70 mL of a 0.4 M Ba(NO3)2 solution is mixed with excess amount of a Na2CO3 solution, what is the theoretical yield of the pre
Sindrei [870]

The theoretical yield of BaCO3 is 5.5

<h3>What is theoretical yield?</h3>

The theoretical yield is the yield calculated from the stoichiometry of the reaction. The equation of the reaction is;

Ba(NO3)2(aq) + Na2CO3 (aq) ------> BaCO3(s) + 2NaNO3(aq)

Number of moles of limiting reactant: 0.4 M × 70/1000 = 0.028 moles

Since the reaction is 1:1,om;y 1 mole of BaCO3 is formed. Hence, mass of BaCO3 = 0.028 moles × 197 g/mol = 5.5g

Learn more about theoretical yield: brainly.com/question/2506978

7 0
2 years ago
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