List 2 potential negative impacts that extraction of gold has on the environment?

A 1.2 L weather balloon on the ground has a temperature of 25°C and is at atmospheric pressure (1.0 atm). When it rises to an elevation where the pressure is 0.74 atm, then the new volume is 1.8 L.

Which substance gives up electrons in this in this reaction? 4Al (s) + 3O2 (g) → 2Al2O3 (s) O2 Al2 O3 Al

Which substance is the oxidizing agent in the reaction 2CuO+C→2Cu+CO2? Express your answer as a chemical formula.

In what circumstances do scientists use observational research and opinion based research?

Suppose you want to create a 6 ng/μL solution in a 25 mL volumetric flask. However, this concentration cannot really be accurately prepared in a single step due to the small amount of mass that would need to be measured.

What is the structural difference between atp and datp?

What was henri becquerel studying when he accidentally discovered radioactivity?

A substance which is made up of identical atoms is a (n): chemical element compound alloy

Which answer choice correctly explains how the structure of ionic compounds differs from covalent compounds? Ionic compounds are made of a network of ions while covalent compounds are made of a network of molecules.

If 3.0 mol of NaOH is dissolved in. 50 L of water, what is the molarity? Select one