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serious [3.7K]
3 years ago
14

Which solution has the highest boiling point at standard pressure?

Chemistry
2 answers:
julia-pushkina [17]3 years ago
8 0
Pressure: when the external pressure is:
less than one atmosphere, the boiling point of the liquid is lower than its normal boiling point.
equal to one atmosphere, the boiling point of a liquid is called the normal boiling point.
greater than one atmosphere, the boiling point of the liquid is greater than its normal boiling point.
cricket20 [7]3 years ago
7 0
<span>This was one of the old regents. I didn't get this at first glance too so I searched for it and I got this site. lol. I know what to do now. To get a higher boiling point, you have to find which solution has the most moles. Since SO4, PO4, and NO3 are all polyatomic ions, they only count as one mole. The answer is 3, i believe, because there are 4 moles.</span>
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Assume that the maximum number of ATPs is produced (38). At pH 7, and in the presence of excess Mg2 , how much of the energy in
Lubov Fominskaja [6]

In one mole of glucose 38 ATP energy is stored this accounts for only 40 per-cent of the total energy in glucose.

Explanation:

In standard conditions, during the cellular respiration 1 mole of Glucose in the presence of oxygen produces 36 or 38 ATPs. This accounts for only 40% of the total energy as the remaining 60 per-cent of the energy is dissipated as heat.

I mole of glucose enters the glycolysis step of aerobic cellular respiration which after oxidative phosphorylation and Electron transport chain would give 38 ATP molecules.

It can be said that only 38.3% of energy is put in ATP molecules.

8 0
3 years ago
What mass of Hg will occupy a volume of 75.0 mL?
k0ka [10]
75.0 mL in liters:

75.0 / 1000 => 0.075 L

1 mole -------------------- 22.4 L ( at STP)
( moles Hg) ------------- 0.075 L

moles Hg = 0.075 x 1 / 22.4

moles = 0.075 / 22.4

= 0.00334 moles of Hg

Hg => 200.59 u

1 mole Hg ----------------- 200.59 g
<span>0.00334 moles Hg ----- ( mass Hg )
</span>
mass Hg = 200.59 x 0.00334 / 1

mass Hg = 0.6699 / 1

= 0.6699 g of Hg




7 0
3 years ago
a rectangle solid has a length of 3cm a height of 4 centimeters and a width of 5cm what is the solid’s volume?
Dmitry_Shevchenko [17]

Answer:

Explanation:

volume = 60cm^3

8 0
3 years ago
What is produced when an acid reacts with a base?
Lelu [443]

Answer:

salt and water

Explanation:

they react to neutralize the acid and base properties,producing a salt while the H(+) cation of the acid combines with OH(-) anion of the base to form water. I hope it's helpful

4 0
3 years ago
Read 2 more answers
If a stack of 40 solid oxide fuel cells in series generates 1,000 W of power, and each cell contributes equally to the power of
Fittoniya [83]

Answer:

25 W

Explanation:

8 0
2 years ago
Read 2 more answers
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