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grigory [225]
3 years ago
5

Which of these actions would increase heat transfer between two objects?

Chemistry
2 answers:
kicyunya [14]3 years ago
8 0
I believe it would be the 2nd one, “increasing the area of their contact”.
maw [93]3 years ago
5 0

Answer:

B: Increasing the area of their contact

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List the subshells that hold the 25 electrons in a<br> manganese atom in order of increasing energy
jonny [76]

Answer:

1s2 2s2 2p6 3s2 3p6 4s2 3d5

Explanation:

According to the Aufbau principle, electrons are filled in orbitals in order of increasing energy. The energy of orbitals in the electronic configuration of manganese increases from left to right, hence 3d orbital is much greater in energy than a 3p orbital.

The arrangement of orbitals in order of increasing energy is shown in the answer above.

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3 years ago
How many liters of hydrogen are needed to produce 34 grams NH3
polet [3.4K]
You would need 1000 liters
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2 years ago
How many milliliters of sodium metal, with a density of 0.97 g/mL, would be needed to produce 53.2 grams of hydrogen gas in the
olchik [2.2K]
The balanced chemical reaction is:

<span>2Na + 2H2O → 2NaOH + H2
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We first use the amount of hydrogen gas to be produced and the molar mass of the hydrogen gas to determine the amount in moles to be produced. Then, we use the relation from the reaction to relate H2 to Na.

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1210.96 g Na ( 1 mL / 0.97 g ) = 1248.41 mL Na needed</span>
7 0
2 years ago
What volume of hydrogen ( in L ) is produced from the complete reaction of 56.49 g of magnesium metal at STP
alexandr1967 [171]

Answer:

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The energy released per gram of material is __________.
OLga [1]

Answer:

I'm pretty sure the answer is C.

4 0
1 year ago
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