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Alex17521 [72]
4 years ago
13

PLEASE ANSWERRRRRRRRRRRRRRRRR

Chemistry
1 answer:
earnstyle [38]4 years ago
5 0
1. friction that’s all i know lol
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A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of X and the percent by mass of
Hitman42 [59]

Answer:

Molar masses of X and Z

Explanation:

To determine the mole percent of a mixture ( mole percent of unknown metals = number of mole of each of them divided the total of both the unknown salt × 100) since the percent by mass is know; we the molar mass of X and  Z

mole = mass given / molar mass

6 0
3 years ago
Read 2 more answers
The amino acid methionine can be used as fuel by being converted to succinyl CoA. What would be the estimated ATP yield for the
andre [41]

Answer:

18 molecules of ATP will be produced for the breakdown of methionine to succinyl CoA and the entry of succinyl CoA to the citric acid cycle with no input of glucose.

Explanation:

Reactions                                          reduced co enzymes           ATP formation

α keto glutarate to propionyl CoA      2 NADH                                         6 moles

Succinyl CoA to succinate                                                               2 GTP≈ 2 ATP

Succinate to fumarate                         2FADH2                                      4  moles

Malate to oxaloacetate                        2 NADH                                       6 moles

3 0
3 years ago
A lab technician mixed a 550 ml solution of water and alcohol. if​ 3% of the solution is​ alcohol, how many milliliters of alcoh
kupik [55]

The solution 550 ml total and first we will find the amount of alcohol. 3% = 0.03 550 ml x .03 = 16.5 ml alcohol
 Then to find the amount of water used, we just have to subtract the amount of alcohol from the total volume  
550 ml total - 16.5 ml alcohol = 533.5 ml water
5 0
4 years ago
Which types of matter are made of atoms
katrin2010 [14]

Answer:

D all above yes I think it's all above

5 0
3 years ago
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How much oxygen be required to produce 3.9 mol of water
timofeeve [1]

Answer:

1.95mol

Explanation:

First let us generate the equation for the reaction:

2H2 + O2 —> 2H2O

From the equation,

1mole of O2 reacted to produce 2moles of H2O.

Therefore, Xmol of O2 will react to produce 3.9 mol of H2O i.e

Xmol of O2 = 3.9/2 = 1.95mol

6 0
3 years ago
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