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Elenna [48]
3 years ago
13

What mass of aluminum must react with 100 g of copper (ii) phosphate? (10g)

Chemistry
1 answer:
trasher [3.6K]3 years ago
7 0
It would be 10g or 50g
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2
Zepler [3.9K]

Answer:

Three product with are SO2, H2O and CuSO4

Explanation:

6 0
3 years ago
Based on the kinetic molecular theory, which of the following statements is correct about the particles in a sample of gas at a
fgiga [73]

Answer:

There is a lot of empty space between them.

Explanation:

The kinetic molecular theory postulates that a substance is made up of tiny particles called molecules. The molecules of a gas are in constant random motion and collide elastically with each other. They also collide with the walls of the container.

The magnitude of intermolecular forces of attraction between gas molecules is very small. Hence gas molecules are largely apart with a lot of empty space between gas molecules.

8 0
3 years ago
The condition that a reaction takes place without outside help Choose... Solution in which no more solute can be dissolved in th
11Alexandr11 [23.1K]

Answer:

Difference of the enthalpy (of a system) minus the product of the entropy and absolute temperature

Explanation:

The basis of spontaneity in a chemical reaction is that ∆G must be negative. ¡∆G is known as the change in free energy of a system. If ∆G is negative, then the reaction will occur without any external help (the reaction is spontaneous at room temperature).

∆G is given by;

∆G= ∆H -T∆S

Where;

∆H= change in enthalpy of the system

T= absolute temperature of the system

∆S= change in entropy

Hence; when ∆H -T∆S gives a negative result, the reaction proceeds without any external help.

4 0
3 years ago
List 3 household items. Identify 2 physical properties of each item.
ioda

Answer:

Water

Explanation:

Solid, liquids, and gases: Water can exist in several states, including ice (solid), water (liquid), and water vapor (gas). color (intensive)

density (intensive)

volume (extensive)

mass (extensive)

boiling point (intensive): the temperature at which a substance boils

melting point (intensive): the temperature at which a substance melts

3 0
3 years ago
Read 2 more answers
Which statement is true about oxygen and rocks?
mafiozo [28]
<span>oxygen is a mixture and a rock is a pure substance.</span>
7 0
3 years ago
Read 2 more answers
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