As per the question, the mass of the nitrogen gas m = 22.25 gram.
The latent heat of vaporization of nitrogen = 199.0 j/g
As per the question, the nitrogen gas will condense. During condensation, the nitrogen gas will lose or release heat equal to its latent heat.
Hence, the heat released by nitrogen gas Q = ml = 22.25 × 199.0 J = 4427.75 J.
Hence, the amount of heat released will be 4427.75 J.
<h3>How can you figure out how much heat is in each gram?</h3>
The formula: can be utilized to determine energy. Q = mc ∆T. In the equation, Q stands for energy expressed in joules or calories, m for mass expressed in grams, c for specific heat, and T for temperature change, which is the difference between the final temperature and the initial temperature. Water has a specific heat of 1 calorie/gram °C.
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Answer:
a pure substance and an element
Explanation:
A drop of liquid mercury be described as a pure substance and an element.
Mercury is one of the known elements in the periodic table. The drop of liquid mercury is pure since it has constant and definite composition as well as distinct chemical properties.
Explanation:
Given:
Number of atoms = 1.505 x 10²³
Let us solve for the number of moles and mass of this atom of sodium.
A mole of a substance is the amount of that substance that contains the avogadro's number of particles.
1 mole of Na = 6.02 x 10²³ atoms
Number of moles of Na = 
= 0.25moles
Mass of Na = number of moles x molar mass
Molar mass of Na = 23g/mole
Mass of Na = 0.25 x 23 = 5.75g
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Animal cells are round, plant cells are circle (most of them) Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall.
