0.57 centimeter to meter

What is the atomic number of an atom that has 18 protrons, 15 neutrons and 29 electrons?

State how many mole ratios can be written for a chemical reaction involving three substances?

CCl, 189.86 g/mol. Express your answer as a chemical formula.

For a particular reaction, ΔH∘=20.1 kJ/mol and Δ?∘=45.9 J / (mol⋅K). Assuming these values change very little with temperature, at what temperature does the reaction change from nonspontaneous to spontaneous in the forward direction?

Arrange the following compounds in the order of increasing reactivity toward nucleophilic acyl substitution, with least reactive at the top and most reactive at the bottom.

The heat of combustion of propane, C3H8, is 2220 kJ/mol. The specific heat of copper is 0.385 J/g°C. How many grams of propane must be burned to raise the temperature of a 10.0 kg block of copper from 25.0°C to 65.

Which is an example of Temporal Isolation? A. Flowers that bloom in different months. B. Birds that have different mating calls C. Fruits flies that mate in different locations. D. Squirrels that have different fur colors

A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for chemical reactions in living things is high or low / Explain your answer

20 Which statement describes a reversible reaction at equilibrium? (1) The activation energy of the forward reaction must equal the activation energy of the reverse reaction.

Count the total number of atoms in CaCO3: 2 3 4 5 6