A candle is 10 cm high and 2 cm in diameter physical or chemical property​

Answers

Answer 1
Answer:

Answer: Physical property

Explanation: length and dimensions are under physical properties of matter.


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In a given chemical reaction, the energy of the products is less than the energy of the reactants. Which statement is true for this chemical reaction?

Answers

The answer is that, the reactants lose energy to the sorrounding during the reaction. This makes the products have less energy than the reactants that combined to produce them.

Answer:

The correct answer is B

Explanation:

What is the molar mass of CHCI3?

Answers

Answer:

119.38 g/mol

Explanation:

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together

CHCI3 = Cyclohexanol

Molar mass 100.158 g/mol

What is the balanced chemical equation for the reaction between Hydrochloride acid and calcium carbonate when the products of the reaction are calcium chloride Carbon Dioxide and water

Answers

Answer: 2HCl + CaCO3 => CaCl2+ CO2 + H2O

Explanation:

The equation is now balanced.

2 atoms H in both reactant and product side.

Cl have 2 atoms on both sides.

Ca have 1 atom in both sides.

C have 1 atom on both sides and

O have 3 atoms on both reactant and product side

Sound waves travel fastest throughA) air.
B) steel.
C) water.
D) a vacuum.

Answers

The answer is B btw this is so easy hope this helps u
B. steel, sound waves travel fastest throught solid materials

Is vegetable soup a solution?

Answers

No it's not a proper solution to the world's problems
Well no it's not a solution to most problems.

Density is a physical property of matter. Density does not change the identity of the substance; it just shows how close the particles of the substance are to each other.The density of a substance also does NOT Change If you change the amount of the substance. One gram of gold has the same density as 10,000 grams of gold,
What is the density of gold if you have 96.9 grams of gold and it takes up 5mL of space?
17.9 g/mL
103.199174 g/ml
50,000 g/ml
19.32 g/mL

PLS HELP AND IF YOU CAN PLEASE HELP ME ON MORE, thanks!

Answers

Answer:

The density of gold is 19. 38 (g)/(mL)

Explanation:

Density is defined as the property that matter, whether solid, liquid or gas, has to compress in a given space. In other words, density is a quantity that allows you to measure the amount of mass in a given volume of a substance. So, the expression for the calculation of the density is the quotient between the mass of a body and the volume it occupies:

density=(mass)/(volume)

Density, according to the International System of Units, is usually expressed in kilogram per cubic meter (kg/m³) or gram per cubic centimeter (g/cm³). Although it can also be expressed in any other unit of mass by volume.

In this case:

  • mass= 96.9 grams
  • volume= 5 mL

Replacing:

density=(96.9 g)/(5 mL)

density=19. 38 (g)/(mL)

The density of gold is 19. 38 (g)/(mL),   that you could approximate the option 19. 32 (g)/(mL)