5) A substance requires 345 J of heat to raise the temperature from 17 oC to 48 oC. . If the mass of the substance is 25 g, what is the specific heat of the substance?
6)
18 g of zinc was heated from 50°C to 85°C. How much energy was used to heat Zn? (Specific heat capacity of Zn 0.440 J/g °C)

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation