How many moles in. 5g of sodium bromide?

Which of the following elements has the largest first ionization energy? Se Pb Cl Sb

No one's even answering, so i'll just uh leave this here

Balance the equation HNO3+Ca (OH) 2-Ca (No3) 2+H2O.

Which of the following choices are types of energy? (Select all that apply) cube energy visible energy nuclear energy kinetic energy

6 Which statement best describes how humans hear sound? A Sound waves enter the ear canal and increase in amplitude, which causes you to hear the sound B Sound waves cause parts of the car to vibrate until the waves are converted to electrical

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda