1. For each of the following compounds label all protons with the predicted splitting pattern it would exhibit in a 1H-NMR spectrum

A) 3-Hydroxyacetophenone

B) Acetophenone

C) 3-Methylbenzaldehyde

D) 4-Hydroxy-3-methoxybenzaldehyde (vanillin)

Which of the following statements about the nucleus is true? A. The nucleus is thinly spread around the outside of the atom. B. Contains nearly all of the mass of the atom. C. Protons and neutrons are arranged in layers called shells. D.

Why are tombstones in a cemetery useful for comparing rates of weathering?

Calculate the number of moles of carbon atoms present in 1.8g of ethanol

20. If you add the same amount of heat to a kilogram of water and a kilogram of gold, would they both be the same temperature? If not, which would be higher? Why? Assume that both start out at the same temperature.

3 ways chemistry affects your everyday life

The large winds that circle the Earth occur because the equator

Suppose you are working with a NaOH stock solution but you need a solution with a lower concentration for your experiment. Calculate the volume of the 1.224 M stock NaOH solution needed to prepare 250.0 mL of 0.1281 M dilute NaOH solution.

Carbon has an atomic mass of 12amu and an atomic number of 6. how many neutrons, protons and electrons are in a neutral atom of carbon-12? answers

Which practice is a sustainable method of food production? A. Using drip irrigation systems to conserve water B. Allowing chemical pollutants to build up in soil C. Creating a monoculture crop over large areas D.

What is Al-27 in chemistry?