Thermal Chemistry [11A. S, 11B. S. 11C. R, 11D. S]:Question 2
When 20 calories of heat is added to 2.0 grams of water at 15
degrees Celsius the temperature of water increases to
(Specific heat of Water = 1 calorie/gram °C OR 4.186 joule/gram °C
Select one
O
5.0 degrees Celsius
15 degrees Celsius
25 degrees Celsius
50 degrees Celsius

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

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?