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Vlada [557]
2 years ago
11

They all have the same choices but one of them its not gonna be used.​

Chemistry
1 answer:
Dima020 [189]2 years ago
3 0

Answer:

limiting reactant

Explanation:

it is consumed totally

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Suppose you want to do an experiment to hear how three different objects with sound when dropped from the same distance. You dro
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They will fall at different rates because of air resistance
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3 years ago
There are three competing factors at play here: 1. The effective nuclear charge 2. The size of the atom and the force of attract
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These three factors are required for ionization potential or ionization energy.

Explanation:

Ionization potential refers to the amount of energy which is required for the removal of outermost electron of the atom. If the atom size is big so the outermost electron is far from the nucleus and low energy is required for its removal due to lower force of attraction between nucleus and outermost electron. If the nuclear charge is higher, so the electron is tightly held by the nucleus and require more energy for its removal. Nuclear charge means number of protons present in the nucleus.

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What are the differences between HDL and LDL?​
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LDL is

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high density lipid

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6 0
3 years ago
What is the molarity of a solution with 130g of CoCl2 in 1/2 liter? (can you show the steps please)
Elden [556K]

Answer:

2M

Explanation:

M=mol/L

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3. Substitute in molarity equation

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7 0
3 years ago
8. What is the heat of reaction when hydrogen and oxygen combine to form water?
valina [46]

Answer:

The heat of reaction when hydrogen and oxygen combine to form water is :

<u>C. 571.6 kJ</u>

Explanation:

Enthalpy Change = The enthalpy change for the formation of 1 mole of the substance from their standard state is called the enthalpy of formation.

This is intensive quantity as it is fixed for 1 mole .

Intensive properties = Those properties which are independent on the amount of the substance are intensive properties.

The value of these quantities does not get halve if you divide the substance into two equal parts. example , density, refractive index.

However , the enthalpy of reaction is extensive. Because on increasing the amount the value of the enthalpy also get doubles

Hence for this reaction :

2H_{2}(g)+O_{2}\rightarrow 2H_{2}(l)

Its value is -285.8 kJ for 1 mole

And here two moles are present . so the value of molar enthalpy is:

-285.8 x 2 = -571.6 kJ

8 0
3 years ago
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