19. Heat is supplied to 20 lb of ice at 0°F at the rate of 160 Btu/sec. How long will it take to convert the ice to steam at 213 °F? a.193.8 b. 183.8 c. 173.8 d. 163.8

True or False High-tech research in Singapore includes the elusive but all-consuming invention that drove Nicola Tesla - Wireless Power Transfer.

A stringer of tennis rackets has found that the actual string tension achieved for any individual racket will vary as much as 6 pounds per square inch from the desired tension set on the stringing machine. If the stringer wishes to string at a tension lower than that specified by a customer only 5% of the time, how much above or below the customer's specified tension should the string set the stringer machine

Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!