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2 years ago

There are many important laws and theories in science. Which of the following is a law of science?

Chemistry

2 answers:

garri49 [273]2 years ago

7 0

Answer: Gravity will pull two objects toward each other

Explanation:

Ghella [55]2 years ago

7 0

Answer:C

Explanation:Gravity

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Can someone please explain me the difference between physical changes and physical properties and of chemical changes and chemic

morpeh [17]

Answer:

Explanation:

Physical properties and physical change:

Physical properties are the properties of substance that do not involve the change in to another matter while the process through which change is happen is called physical change.

For example,

Melting point is physical property and the process "melting" is called physical change.

Freezing point is physical property and the process "freezing" is called physical change.

Chemical property and chemical change:

Chemical property is the ability of substance to change into another substance while the process through through which it is happen is called chemical change or chemical reaction.

For example:

The chemical property of iron is to react with oxygen and form rust. This process or chemical change is called corrosion. So corrosion is chemical change.

Hydrocarbon react with oxygen and form water and carbon dioxide. It is the chemical property. While the process is called combustion so combustion is a chemical change.

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3 years ago

Why is it important to keep high acid food away from zinc coated tub

denis23 [38]

The reactions that will take place will generate Zinc salts that will taint the food. Excessive levels of these salts can cause sickness, so it is very important to ensure food hygiene standards are met by keeping acidic foods away from damaging materials like zinc that will erode and get into the food.

3 0

3 years ago

What do you think will happen to the kidneys if any of these parts were damaged?

Lemur [1.5K]

Answer:

<h3>When your kidneys are damage waste products and fluid can build up in your body. That can cause swelling in your ankles nausea weakness poor sleep and shortness of breath. so without treatement the damage can get worse and your kidney may eventually stop working.</h3>

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2 years ago

Which atom attracts electrons more strongly?

lesya [120]

Bromine attracts electrons more strongly. Cesium is In fact the least electro negative element.

Sodium is more likely to lose an electron because is is less electro negative. Strong electronegativity make the element want more electrons. Sodium has loose electrons with a lower electronegativity so it gives it up easier.

3 0

3 years ago

Read 2 more answers

The table describes how some substances were formed.

lisabon 2012 [21]

Explanation:

Which is a pure substance?

1. soda

2. gasoline

3. salt water

4. carbon dioxide

carbon dioxide

Bromine, a liquid at room temperature, has a boiling point of 58°C and a melting point of -7.2°C. Bromine can be classified as a

1. compound.

2. impure substance.

3. mixture.

4. pure substance.

pure substance.

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3 years ago

Read 2 more answers