Applied forces/or unbalanced:i hope that helps you
Answer:
The strength of an acid or alkali depends on the degree of dissociation of the acid or alkali in water. The degree of dissociation measures the percentage of acid molecules that ionise when dissolved in water. He could use universal indicators or litmus paper for this.
Explanation:
(See answer for the explanation)
Answer: The mass of the gas is 18.3 g/mol.
Explanation:
To calculate the rate of diffusion of gas, we use Graham's Law.
This law states that the rate of effusion or diffusion of gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows:




Squaring both sides and solving for 

Hence, the molar mas of unknown gas is 18.3 g/mol.
1 minute equals 60 kph.........Thanks Tionne17 for asking!!!
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Explanation: