The temperature of a 4.183 L sample of NO2 is changed, causing a change in pressure from 445.66 kPa to 385.29 kPa. If its new temperature is 289.78 °C and its new volume is 32.553 L, what was its original temperature in degrees Celsius? *

If i add water to oil what will happen

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.