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Thepotemich [5.8K]
3 years ago
5

The downward force acting on an object in free fall is the force of

Chemistry
2 answers:
ololo11 [35]3 years ago
7 0
The answer is gravity.
Eduardwww [97]3 years ago
6 0
Gravittyyyyyyyyy ..........................
i was reported but the answer is gravity you can only be reporting if you offering 1000 points but if not please exit stage right
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3 years ago
What is the difference between mass number and atomic mass???
padilas [110]

Explanation:

atomic number;number of protons in an atom of an element.

mass number ;number of nucleons ( neutrons) in an atom of an element.

5 0
3 years ago
Thousand of molecules are called​
kozerog [31]

Answer:

monomers

Explanation:

Thousands of molecules are called monomers

6 0
3 years ago
A gas has a density of 1.57 g/L at 40.0 °C and 2.00 atm of pressure. What is the identity of the gas?
Naddika [18.5K]

Answer:

Neon

Explanation:

Step 1: Given and required data

  • Density of the gas (ρ): 1.57 g/L
  • Temperature (T): 40.0°C
  • Pressure (P): 2.00 atm
  • Ideal gas constant (R): 0.08206 atm.L/mol.K

Step 2: Convert T to Kelvin

We will use the following expression.

K = °C + 273.15 = 40.0 + 273.15 = 313.2 K

Step 3: Calculate the molar mass of the gas (M)

For an ideal gas, we will use the following expression.

ρ = P × M/R × T

M = ρ × R × T/P

M = 1.57 g/L × 0.08206 atm.L/mol.K × 313.2 K/2.00 atm

M = 20.17 g/mol

The gas with a molar mass of 20.17 g/mol is Neon.

6 0
2 years ago
What happens when you heat iodine and ammonium chloride?
DiKsa [7]
Test tube of ammonium chloride (NH4Cl) being heated over a bunsen burner flame. Ammonium chloride decomposes readily when heated, but condenses in the cooler area at the top of the test tube. This is a reversible reaction, where the ammonium chloride decomposes into the gases ammonia (NH3) and hydrogen chloride (HCl).
5 0
3 years ago
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