Compounds can be separated by pressure temperature physical means chemical means

Stephanie purchased two watermelons. One watermelon weighed 6.95 kilograms. The second watermelon weighed 952 grams more than the first. How much did the second watermelon weigh in grams? 1 kilogram = 1000 grams grams

The vapor pressure of ethanol at 25°C is 7.828 kPa . Calculate the vapor pressure in atm . Be sure your answer has the right number of significant digits.

What is the mass of 0.46 mol of MgCl2

To convert from °C to K: T (K) = T (°C) + 273.15

Is transition metals low density or high

14. Two or more substances that are together but do not combine to form a new, pure substance.

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". RbOH + H3PO4 → Rb3PO4 + H2O

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals

5.2*10^26 molecules of ch4 in volume