alloy panels have replaced ceramic tiles on the space shuttle's heat shield because they are less prone to cracking.

please help, will mark brainliest if answer turns out to be correct

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?