Answer:
B. The student conducted the reaction in an open beaker, which allowed one of the products, a gas, to escape.
Explanation:
Based on the law of conservation of mass, matter is neither created nor destroyed during the course of a chemical reaction.
By this premise, the mass of reactants and products must remain the same during the course of a reaction.
- Here we find that this is not the case.
- The mass of the product reported is less than the mass of the reactants.
- The problem is that the mass of the gas bubbles produced during the course of this reaction was not accounted for.
- This leaves a mass deficit already
The total mass of the protons is 1.338 * 10^-23 g
<h3>What is a proton?</h3>
A proton is the positively charged particle in an atom. It is found in the nucleus along with the neutrons and are collectively called the nucleons.
The hydrogen atom has only one proton while the nitrogen atom has seven protons. Thus makes a total of eight protons in the ammonia molecule.
Hence, the total mass of protons in the ammonia molecule =
8 ( 1.673 × 10^-24 g) = 1.338 * 10^-23 g
Learn more about protons:brainly.com/question/1252435
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Answer:
B. cloud formation
Explanation:
The event that will most likely occur is cloud formation. This is because Rising Air is the key process in the production of clouds and precipitation. This occurs because the air rises and as it rises it begins to expand, it expands so much so that the temperature of the air begins to decrease and humidity rises until cloud droplets begin forming as the excess water vapor condenses on the the air particles.
“Flow is the volume of fluid that passes in a unit of time. In water resources, flow is often measured in units of cubic feet per second (cfs), cubic meters per second (cms), gallons per minute (gpm), or other various units.”
The new temperature of the gas is 115 °C
From the question given above, the following data were obtained:
- Initial temperature (T₁) = 25 °C = 25 + 273 = 298 K
- Initial pressure (P₁) = 0.96 atm
- New pressure (P₂) = 1.25 atm
- New temperature (T₂) =?
The new temperature of gas can be obtained as follow:
Therefore, the new temperature is 115 °C
Learn more about gas laws: brainly.com/question/25862018