1030000 i hate to see you waste your points like this. You could have just looked this up on google
Answer:
D.
Explanation:
Nuclear energy does not have greenhouse gas emissions. The emissions produced by nuclear fission plants are similar to renewable energy sources.The generation of power using nuclear energy does not affect air quality thus providing a clean source of energy.Nuclear energy originates from radioactive material which are harmful to living organisms.
Answer:
T = 1031.30 K
Explanation:
Given data:
Temperature of gas = ?
Number of moles of gas = 0.014 mol
Volume of balloon = 1.20 L
Pressure of gas = 0.988 atm
Solution:
The given problem will be solve by using general gas equation,
PV = nRT
P= Pressure
V = volume
n = number of moles
R = general gas constant = 0.0821 atm.L/ mol.K
T = temperature in kelvin
T = PV/nR
T = 0.988 atm × 1.2 L / 0.014 mol × 0.0821 atm.L/ mol.K
T = 1.186 atm. L / 0.00115 atm.L/K
T = 1031.30 K
Answer:
Difference between metals and non metals.
1) Metals are good conductors of heat and electricity while non metals are poor conductors.
2) Metals are hard while non metals are soft.
3) Metals have shiny surface while non metals have not.
Examples of metals are sodium and iron while non metals are chlorine and oxygen.
Location in the periodic table.
Metals are present on the left side of the table while non metals are present on the right side of periodic table.
Answer:
Explanation:
First, find the molar mass of calcium (Ca). This can be found on the Periodic Table.
Next, find the number of moles.
Avogadro's Number tells us the number of atoms in one mole.
Therefore, there are 6.023*10²³ atoms in 1 mole.
We have 6.023*10²³ atoms of calcium, so it must also be 1 mole of calcium.
Finally, find the mass. Set up a proportion using the molar mass of calcium.
Multiply. The moles (mol Ca) will cancel.
There are <u>40.08 grams </u>in 6.023*10²³ atoms of calcium.
