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djyliett [7]
3 years ago
5

What is the name of the polyatomic in MgSO4?

Chemistry
2 answers:
enyata [817]3 years ago
8 0

Answer:

magnesium sulfate

Explanation:

mg stands for magnesium and SO is sulfate

blsea [12.9K]3 years ago
4 0

Answer:

Magnesium Sulfate

Explanation:

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14. In the lab, an experimenter mixes 75.0 g of water (initially at 30oC) with 83.8 g of a solid metal (initially at 600oC). At
avanturin [10]

Answer:

Tungsten is used for this experiment

Explanation:

This is a Thermal - equilibrium situation. we can use the equation.

Loss of Heat of the Metal = Gain of Heat by the Water

                      -Q_{m}=+Q_{w}\\

                    Q = mΔTC_{p}

Q = heat

m = mass

ΔT = T₂ - T₁

T₂ = final temperature

T₁ = Initial temperature

Cp = Specific heat capacity

<u>Metal</u>

m = 83.8 g

T₂ = 50⁰C

T₁ = 600⁰C

Cp = x

<u>Water</u>

m = 75 g

T₂ = 50⁰C

T₁ = 30⁰C

Cp = 4.184 j.g⁻¹.⁰c⁻¹

               -Q_{m}=+Q_{w}\\

⇒ - 83.8 x x x (50 - 600) = 75 x 4.184 x (50 - 30)

⇒ x = \frac{6276}{46090} = 0.13 j.g⁻¹.⁰c⁻¹

We know specific heat capacity of Tungsten = 0.134 j.g⁻¹.⁰c⁻¹

So metal Tungsten used in this experiment

8 0
3 years ago
An electron is in a region outside the nucleus. An electron
GenaCL600 [577]

Answer:

b

Explanation:

electrons lie in the orbits of the atom. they are negatively charged and they are very small in size. they have very less mass than proton. ele tron has 1/1840 mass of proton.

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Explain what is respiration in your own words..
nadezda [96]

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Plants using glucose to make ATP molecules during the process of photosynthesis which results in the plant releasing oxygen.

This is cellular respiration. ↑

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What is true about both sodium and gold?
vladimir2022 [97]
They all are correct , so with that being said anyone of them can be right
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Critical thinking is the intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing.

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