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lord [1]
3 years ago
10

PLEASEEE HELP ME I AM REDOING MY CHEMISTRY UNIT TEST ON USATP (7TH GRADE) PLEASE HELP ME IF YOU KNOW ALL THE ANSWERS PLEASE LET

ME KNOW

Chemistry
2 answers:
Slav-nsk [51]3 years ago
6 0

Answer:

B) Copper

A) lonic bonds

B) Water

Ksju [112]3 years ago
3 0

Answer:

Dont cheat

Explanation:

Im in highschool and I fail for cheating now I cant go to college

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Covalent bonds are formed between atoms which have 
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<span>Intermolecular forces </span>
<span>- much weaker than covalent bond </span>
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<span>- These are more electrostatic in nature </span>
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3 0
3 years ago
How can the percent yield be used to determine the actual yield of a chemical reaction
Alexeev081 [22]

Answer: Theoretical yield is calculated based on the stoichiometry of the chemical equation. The actual yield is experimentally determined. The percent yield is determined by calculating the ratio of actual yield/theoretical yield.

Explanation:

5 0
2 years ago
Iron has a density of 7.86 g/cm3 (1 cm3=1 mL). Calculate the volume (in dL) of a piece of iron having a mass of 4.54 kg . Note t
lilavasa [31]
<span>The volume of iron is obtained from the density formula (density= mass/ volume) given the density and mass. In this case, 4,540 grams of iron and a density of 7.86 g/ml are given. The volume obtained from formula is 493.64 ml or 5.78 dL. </span>
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Write the electron configuration for the electrons identified by the following quantum numbers:
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see the answer at the pic

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Calcium phosphate reacts with sulfuric acid to form calcium sulfate and phosphoric acid. What is the stoichiometric coefficient
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