Which of these is a mixture

A. salad

B. sugar

C. water

D. potassium

A catalyst speeds up a chemical reaction by A. decreasing the reaction enthalpy. B. providing an alternate reaction pathway. C. shifting the equilibrium. D. increasing the activation energy.

What is the chemical formula for flint

The kidneys perform several important functions in the human body. One of these is to regulate the amount of water that makes up the liquid part of blood.

What makes up muscle tissue?

Which two compounds are structural isomers of each other

What happens to the reaction c2h6 + 137 kj when the temperature of the reaction is increased?

If a car is going at a speed of 36 km/hr. what is the speed in m/s

You want to create 14.0 g of copper to meld into a piece of jewelry. You know that when copper (II) chloride reacts with aluminum, copper is a product. How much aluminum would you need to start your reaction with to get 14.

What happens to electronegativity values when moving from left to right across the period in the periodic table

A 27.40 g sample of liquid mercury is initially at 158.30°C. If the sample is heated at constant pressure ( = 1 atm), kJ of energy are needed to raise the temperature of the sample to 376.20°C. How much energy in kJ is required?