What are some observable indications that a chemical reaction has occurred?

Describe the three steps of solution formation. be sure to include the details regarding the dissolving of the substance

A container of gas has a pressure of 3.4 atm at 30 ° C. If the gas is compressed to 1.5 atm, what is the new temperature?

Martha Stewart does not do her own ironing because she: Select one: a. is not very good at ironing. b. has an absolute advantage in ironing. c. has a comparative advantage in ironing. d. has a comparative advantage in something else.

Explain what an alloy is and why alloys are useful.

What is the volume, in cubic centimeters, of a sample of cough syrup that has a mass of 50.0 g? The density of cough syrup is 0.950 g/cm^3

Which claim best supported by the data a b c or d

Where are the rare earth metals located on the periodic table

What are some observable indications that a chemical reaction has occurred?

Which of the following correctly represents the mole ratio between NaOH and FeCl3? 3 NaOH + FeCl3 → 3 NaCl + Fe (OH) 3 A. 1 mol NaOH: 1 mol FeCl3 B. 3 mol NaOH: 3 mol FeCl3 C. 1 mol NaOH: 3 mol FeCl3 D. 3 mol NaOH: 1 mol FeCl3

Is it possible for the overall charge of an ionic compound to be - 1. true false