Is it true that polyphonic ions always carry a positive charge?

What symbol is used to show the standard reduction potential of an oxidation reaction in a half-cell?

When does the car have the most kinetic energy 30 mph, 15 mph, or 0 mph

Distinguishing ionic, molecular and atomic solids web activity

Nitromethane (CH3NO2) burns in air to produce significant amounts of heat via the following reaction: 2CH3NO2 (l) + 32O2 (g) →2CO2 (g) + 3H2O (l) + N2 (g) ΔH∘rxn=-1418kJ How much heat is produced by the complete reaction of 3.78 kg of nitromethane?

Look at the data table and graph for the 25-coil electromagnet. With the 1.5 V battery, the electromagnet picked up an average of 6 paper clips, and with the 6.0 V battery, it picked up an average of 23 paper clips. a.

What is a scientific explanation for a range of hypotheses and observations supported by testing

A chemical reaction involves the rearrangement of atoms to form new molecules. During a chemical reaction, however, atoms are neither created nor destroyed. Which of the following is true about the atoms involved in a chemical reaction? A.

What is the new concentration, after diluting 300 mL of a 1.5 M LiCl solution to 1L

The answer that he gave was wrong

In which orbital does an electron in a bromine atom experience the smallest?