An object will float in a liquid if it is?

a. cooled to the same temperature.

b. heated to the same temperature.

c. less dense than the liquid.

d. more dense than the liquid.

Where are electrons, protons and neutrons located? (inside/outside the neucleus

Which statement contrasts the two types of mixtures? A. A heterogeneous mixture has a uniform composition, whereas a homogeneous mixture has visually distinguishable parts. B.

A food substance kept at 0°c becomes rotten in 8.3 days. the same food rots in 10.6 hours at 30°c. assuming the kinetics of the microorganisms enzymatic action is responsible for the rate of decay, what is the activation energy for the decomposition

The barium isotope 133ba has a half-life of 10.5 years. a sample begins with 1.1*1010 133ba atoms. how many are left after (a) 5 years, (b) 30 years, and (c) 190 years?

What is solubility in chemistry?

C₂H₂ + O2 - CO₂ + H₂ How many moles of oxygen are necessary to react completely with 4.0 moles of propane (CH) ?

What are the two main classifications of energy resources?

A liquid is heated and a solid forms at the bottom of the beaker. Is this a physical or chemical change?

How to predict the formula of an ionic compound based on the charges of the ions?

Which of the following kingdoms in one-celled organisms