An 18.7 g sample of platinum metal increases in temperature from 21.2C to 23.5C when 5.7 J of heat are added. What is the specific heat of platinum?

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o