If salt mixes well in water how can you tell if a lake is full of salt-water or fresh water

If a substance cannot be broken down chemically into a simpler substance what is it

I've got a car with an internal volume 15,500 L. If I drive my car into the river and it implodes, what will be the volume of the gas when pressure goes from 1.5 atm to 2.3 atm?

Protons have about the same mass as: A. electrons B. neutrons C. plasma particles

If 1.54 miles of gas occupy a volume of 383.2L, what will be the volume of 6.4 moles?

An equilibrium mixture of the three gases in a 1.00 L flask at 698 K contains 0.323 M HI, 4.34E-2 M H2 and 4.34E-2 M I2. What will be the concentrations of the three gases once equilibrium has been reestablished, if 0.

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?

Some chemical hazards are physical and some are related to the potential health effects of exposure. Click only one box for each response Toxicity Carcinogenic Flames Inhalation hazard Flying objects

Which would be best categorized as heat transfer by convection? A) Wearing a white shirt to stay cool on a summer day.

All the atoms of a particular element have the same number of neutrons. a. True b. False