How many kilojoules of heat energy are

absorbed when 100.0 g of water are heated

from 20.0°C to 30.0°C?

(1) 4.18 kJ

(3) 418 kJ

(2) 41.8 kJ

(4) 0.418 kJ

In the periodic table, which elements had complete outer shells? Also include name and symbol

Which is the best describes electrons

A seismograph uses a ... to record drums vibration

What is the oxidation state of an individual sulfur atom in BaSO4?

Which of the following statements are TRUE? 1 - Electron carriers are located at ribosomes. 2 - ATP is a common intermediate between catabolic and anabolic pathways.

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