7. If the original concentration of BHL sample is 0.35 mg/ml, can you estimate the concentration of BHL in the 1:50 dilutions

How air particles exert a pressure on the inside of the balloon

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Which other elements contain the same number of outer electrons as sodium