Assuming no mass escapes, explain why the mass of a rusted nail is greater than the mass of a nail before it rusted

How many molecules are there in 65 g of silver nitrate (AgNO3) ? A. 3.82 * 1023 B. 2.3046 * 1023 C. 2.3046 * 1024 D. 3.82 * 1024 E. 2.3046 * 1012

How many moles are in 3.60 g of H20?

What is the most reactive metal? A. Fe (iron) B. Si (silicone) C. Po (polonium) D. Ra (radium)

The message that a neuron carries

During the combustion of methane (CH4), one mole of methane gas combines with two moles of oxygen gas (O2) to produce one mole of carbon dioxide gas (CO2) and two moles of water vapor.

After Pangaea broke up, North America became part of what?

What the different betwen observe and reference

How many moles are in 12.5 g of H2O

How do the atomic number and the number of protons relate to one another? The atomic number tells us the number of protons The atomic number is protons + neutrons They do not Electron Cloud

Check my work? 150 g of an unknown liquid is heated with 24,975 kJ of heat to form 0°C to 75°C. Identify the unknown liquid. Substance C (J/g-°C) Water (ice) 2.05 Ammonia (liquid) 4.70 Ethanol 2.44 Gasoline 2.22 Water (liquid) 4.18 Water (vapour) 2.