Answer:
<em>415.15 mL</em>
Explanation:
To solve the statement, you can use the law of Charles - Gay Lussac, which states that "<em><u>the volume of gas is directly proportional to its temperature at constant pressure</u></em>." Mathematically:

You can calculate the volume V₂ Clearing it from the equation and replacing the values granted by the statement to perform the calculation:
V₂ = V₁ x T₂ / T₁ = 222 mL x 56.1 ° C / 30.0 ° C = 415.15 mL
Therefore, <em>the gas at 56.1 ° C will occupy a volume of 415.15 mL</em>
The number of protons in the nucleus
Answer:
False.
Explanation:
Hello there!
In this case, according to the attached picture, it is possible for us to evidence that cis- isomers have the substituted groups on the same side of the double bond whereas the trans- isomers have the substituted groups on the opposite side of the double bond.
In such a way, we infer that the given statement is FALSE, because that is the definition for the trans configuration.
Regards!
Answer:

Explanation:
1. Calculate the moles of CaCl₂.

Step 2. Calculate the volume of CaCl₂ solution

Answer: hot
Explanation:
Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and the system will be cold and surroundings will be hot.
Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and the system will be hot and surroundings will be cold.
As heat is absorbed, the reaction is endothermic and the system will feel hot.