Acidic solutions have pH value less than 7 . Select one : O True O False​

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.