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Angelina_Jolie [31]
3 years ago
15

One evening, Alex notes the Moon set in the west at around 8 PM. What would have been the approximate time of moonrise that day?

Chemistry
2 answers:
ra1l [238]3 years ago
6 0

Answer:

C

Explanation:

Early evening about 5 p. m.

AleksAgata [21]3 years ago
5 0

Answer:

The answer is B

Explanation:Just did it on USA TestPrep

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What do lactate dehydrogenase, aspartate aminotransfcrase, and creatine kinase all have in common? a. they all are allosteric en
ahrayia [7]

Answer:

c. they are all used to diagnose medical conditions

Explanation:

Lactate dehydrogenase, aspartate aminotransfcrase, and creatine kinase all are used to diagnose medical conditions.

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4 years ago
How would you find the mass of an object from its density and volume ?
Lina20 [59]

Answer:

Mass= volume x density

Explanation:

Multiply the density by the volume.

7 0
3 years ago
Identify the molecule with the highest boiling point. C 6H 6 NH 3 OF 2 CHCl 3
lakkis [162]

Answer:

Option NH 3 is the correct answer.

Explanation:

A molecule which has hydrogen bonding will have the highest boiling point. So, out of the given options only NH 3 will have hydrogen bonding.

Whereas in CHCI 3 there will be dipole-dipole interactions and no hydrogen bonding within the molecule.

In OF 2 and C 6H 6, there will be dipole-dipole interaction in both the molecules.

Thus, we can conclude that NH 3 will have the highest boiling point.

7 0
4 years ago
Which of these compounds has the highest boiling point?
galina1969 [7]

Answer:

2-Pentanone is the answer.

Explanation:

4 0
3 years ago
using the equaation 2h2+o2-->2h2o if 10.0g of hydrogen are used in the presence of excess oxygen how many grams of water will
astra-53 [7]

Answer:

90g of H2O

Explanation:

2H2 + O2 —> 2H2O

First, we calculate the molar masses of H2 And H20.

Molar Mass of H2 = 2g/mol

Mass conc of H2 from the balanced equation = 2 x 2 = 4g

Molar Mass of H2O = 2 + 16 = 18g/mol

Mass conc of H2O from the balanced equation = 2x18 = 36g

From the equation,

4g of H2 produced 36g of H2O

Therefore, 10g of H2 will be produce = (10x36)/4 = 90g of H2O

7 0
3 years ago
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