A. Magnetic force is an non-contact force
3.88 atm is the pressure in atm, given that there are 1.45 moles of gas in the sample.
Explanation:
Given that:
Volume of the gas sample V = 8.77 litres
temperature of the gas sample T = 20 degrees OR 293.15 K
number of moles of the gas = 1.45
R (Gas constant) = 0.08021 L.atm/mole K
Pressure of the gas = ?
The equation for ideal gas will be used here to calculate the pressure of the gas:
PV = nRT
the equation is rewritten as:
P= ![\frac{nRT}{V}](https://tex.z-dn.net/?f=%5Cfrac%7BnRT%7D%7BV%7D)
P = ![\frac{1.45 X 0.08021 X 293.15}{8.77}](https://tex.z-dn.net/?f=%5Cfrac%7B1.45%20X%200.08021%20X%20293.15%7D%7B8.77%7D)
P = 3.88 atm
1.45 moles of the gas at given conditions would have pressure of 3.88 atm.
Answer: B2 + 3W2 ---> 2BW3
Explanation:
You have 2 B on the right and 1 B on the left to balance out B, you need to add 2 wich gives you 6 W on the left and 2 W on the right. To baance W on both sides you add a 3 to the W on the right which gives you 6 W on both sides.
A, radium-228. Alpha radiation is essentially just two protons and two neutrons leaving the atom, causing the atomic number to drop by two (since the protons left) and the mass number to drop by four (since two neutrons and protons left).
Heat is require for a high number of collisions.