5.50 grams of solid copper reacts with HNO3 in a 1.50L container according to the following balanced equation at 25.0 degrees C. 4 HNO3 (l) + Cu (s) —> Cu(NO3)2 (aq) + 2 NO2 (g) + 2 H2O (l)

what is the partial pressure of NO2 inside the container after the reaction?

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

What is the scientific name for weight?