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Eva8 [605]
3 years ago
5

Alchemy was the precursor to what branch of science?

Chemistry
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0
Modern chemistry (i think)
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The total pressure in a 1.00 liter container is 725 mm Hg. The container contains water vapor and nitrogen gas. If the partial p
rusak2 [61]

Answer:

Explanation:PRESSURE: atmospheres or mm Hg; 1 atm = 760 mm Hg

TEMPERATURE: Kelvin, K, which is o

C + 273

STP: Standard Temperature and Pressure: 273 K and 1 atm (or 760 mm Hg)

BOYLE'S LAW (temperature is constant): PV = constant

This is an inverse relationship: if one variable increases the other must

decrease.

CHARLES' LAW (pressure is constant): V = constant x T

This is a direct relationship: if one variable increases so does the other.

GAY-LUSSAC'S LAW (volume is constant): P = constant x T

This is a direct relationship: if one variable increases so does the other.

<h2>Every one of this with the constant</h2>
4 0
3 years ago
Without doing any calculations, determine which sample contains the most atoms.
lana66690 [7]

Answer:

B.

Explanation:

1g of Boron has the most number of atoms. This is simply because it has the highest number of moles.

Since 1 mole contain 6.22 × 10^23 atoms, the atom that has most moles closer to 1 will contain most atoms.

This in fact can be calculated from the fact that the number of moles equal mass divided by the atomic mass.

The mass here is equal I.e 1g and thus the dividing factor will be the atomic mass. The atom with the highest atomic mass here us thorium and thus will give the lowest number of moles. Zinc follows suit in that order with Boron at the top of the other and thus will contain the highest number of atoms.

6 0
3 years ago
Points + Brainalist
Lorico [155]

Answer:

I think A it looks to be the answer

Explanation:

sorry if wrong

4 0
2 years ago
Mass box A = 10 grams; Mass box B = 5 grams; Mass box C— made of one A and one B.
Murljashka [212]

Answer:

Options for g Of A: 10, 20, or 30

Options for g of B: 10, 30, or 20

Explanation:

SORRY IF IM WRONG

8 0
3 years ago
Among the following groups of atoms, which have the same outer energy level configurations?
luda_lava [24]
The answer is D. N, P, As, Bi.
6 0
4 years ago
Read 2 more answers
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