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Minchanka [31]
3 years ago
5

Mass and energy are conserved

Chemistry
1 answer:
bekas [8.4K]3 years ago
4 0

Answer:

b

Explanation:

it takes it rate faster

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The gas in a cylinder has a volume of 8 liters at a pressure of 101 kPa. The pressure of the gas is increased to 206 kPa. Assumi
Arlecino [84]
The pressure of the gas is increased<span> to 224 </span><span>kPa</span>
3 0
3 years ago
If I have 3 liters of solute, and 4 liters of solvent how many liters in solution do I have?
yaroslaw [1]

Answer:

seven litres i

i.e three litres plus four litres

5 0
3 years ago
Net ionic equation for NaOH(aq) + NH4Br(aq) —&gt; NaBr(aq) + NH3(g) + H2O(l)
Greeley [361]

Answer:

OH⁻(aq) + NH₄⁺(aq) →  NH₃(g) + H₂O(l)

Explanation:

The net ionic equation is a way yo write a chemical equation that list only the species that are involved in the reaction.

For the reaction:

NaOH(aq) + NH₄Br(aq) → NaBr(aq) + NH₃(g) + H₂O(l)

Ionic equation is:

Na⁺(aq) + OH⁻(aq) + NH₄⁺(aq) + Br⁻(aq) → Na⁺(aq) + Br⁻(aq) + NH₃(g) + H₂O(l)

<em>-Ions comes from the species that are in aqueous phase-</em>

And net ionic equation is:

<em>OH⁻(aq) + NH₄⁺(aq) →  NH₃(g) + H₂O(l)</em>

<em />

<em />

8 0
3 years ago
What is it about the structure of magnesium atoms that makes them react more slowly than calcium atoms?
vovikov84 [41]
Is there any answer so I can answer it
7 0
3 years ago
Gallium (atomic number 31) is in group 13 (IIIA). In addition to the s type electrons, it will have how many electrons in the 4p
qwelly [4]

Answer:

One electron is present in 4p energy sublevel.

Explanation:

Gallium element has symbol Ga with atomic number 31.

It is placed in group 13 and fourth period in the modern periodic table.

The electronic configuration of the element, gallium is -  

1s^22s^22p^63s^23p^63d^{10}4s^24p^1

As seen, from the configuration,

<u>One electron is present in 4p energy sublevel.</u>

3 0
3 years ago
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