Mrs. Menges chocolate chip muffin has 180 more calories than her oatmeal cookie. Two chocolate chip muffins and four oatmeal cookies have a total of 930 calories. How many calories are in each item?

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

There are weak or strong attractive forces between atoms of liquids with a high viscosity