Two atoms have the same number of protons but different number of neutrons. what can you conclude about these masses

What is the transfer of electrons in Al + Cl = AlCl3

Why don't we use gram or nanogram for example instead of the mol? What is it's benefit? I can't remember that ...

In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon dioxide and water: CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O DH = - 890.0 kJ Calculate the value of q (kJ) in this exothermic reaction when 1.

A 6.0 L sample of nitrogen gas contains 0.50 mole of a gas. If enough gas is added to make a total of 0.75 moles at the same pressure and temperature, what is the resulting total volume of the gas? 2.3 L 4.8 L 7.5 L 9.0 L

According to the passage, which of the following would cause milk to go bad? A the presence of any bacteria B the absence of any bacteria C not enough sugar for bacteria to eat D too much acid produced by bacteria

Select all that apply. Select all the items that are public goods or services. roads education military police force

Write the balanced equation of aluminium + copper chloride and ammonium chloride + copper

Explain in terms of bonding why the hydrocarbon 2-methylpropane is saturated

A student uses a magnet to move a 0.025 kg metal ball. The magnet exerts a force of 5 N, which causes the ball to begin moving. What is the acceleration of the ball when it begins to move?

What si unit is used to measure the number of representative particles in a substance?