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bazaltina [42]
3 years ago
14

A pot of water is heated over a fire, and then frozen peas are added to the hot water. What happens to the energy in this situat

ion?
Chemistry
2 answers:
ZanzabumX [31]3 years ago
7 0

Answer:

Energy will enter the peas from the water

Explanation:

An exothermic process would occur as the energy gathered by the heated water is transferred to the peas.

AnnZ [28]3 years ago
4 0

Explanation:

It is known that transfer of energy always occur from hot substance to cool substance.

Therefore, when frozen peas are added to heated water then potential energy of peas will start to convert into kinetic energy as transfer of energy will take place from water to peas.

This is because water molecules will collide with molecules of peas. Hence, peas will also gain energy.

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Which one of the following is a correct representation of an alpha particle?
Alex Ar [27]

Answer:

₂He⁴  

Explanation:

Alpha radiations are emitted as a result of radioactive decay. The atom emit the alpha particles consist of two proton and two neutrons. Which is also called helium nuclei. When atom undergoes the alpha emission the original atom convert into the atom having mass number less than 4  and atomic number less than 2 as compared to parent atom the starting atom.

Properties of alpha radiation:

Alpha radiations can travel in a short distance.

These radiations can not penetrate into the skin or clothes.

These radiations can be harmful for the human if these are inhaled.

These radiations can be stopped by a piece of paper.

₉₂U²³⁸   →   ₉₀Th²³⁴  + ₂He⁴  + energy

6 0
3 years ago
21 Which process is used to determine the concentration of an acid?
Inessa05 [86]

Answer:

4) Titration

Explanation:

Titration is a common process used to determine the concentration of acids. It does this by adding a solution of base with a known concentration to the acid until it reaches neutralization.

8 0
3 years ago
How to answer this ?
nadezda [96]
You multiply (4×10)by*
6 0
3 years ago
The density of water is 1.0 grams per milliliter. What can you conclude from this simulation about whether an object will
aliina [53]

The density of water is 1.0 grams per milliliter then it will be sink in water

Density is a word we use to describe how much space an object or substance takes up in the volume and in relation to the amount of matter in that object or substance its mass) and another way to put it is that density is the amount of mass per unit of volume

Here given density is 1.0 grams per milliliter and it will be sink in water because the density of water in 1.0 g/ml and this object is more dense than water and the density of an object determines whether it will float or sink in another substance and an object will float if it is less dense than the liquid it is placed in and an object will sink if it is more dense than the liquid it is placed

Know more about density

brainly.com/question/18366165

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4 0
1 year ago
write the chemical formula for the following compound -magnesium chloride, zinc sulphide Sodium,sodium sulphate, calcium bicarbo
Sindrei [870]

Answer:

magnesium chloride: MgCl2

zinc sulphide: ZnS

sodium sulphate: Na2SO4

calcium bicarbonate: Ca(HCO3)2

6 0
3 years ago
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