How can you distinguish a substance from a mixture

Consider the reaction CaCO3 (s) - -> CaO (s) + CO2 (g) calculate the equilibrium constant for this reaction at 298.15K.

If I wrote 7h2o, how many hydrogen atoms do I have now? How many oxygen atoms?

What us halfway between 7.5 and 10

The information below describes a redox reaction. 3 equations: First: upper A g superscript plus (a q) plus upper A l (s) right arrow upper A g (s) plus upper A l superscript 3 plus (a q).

Consider the following unbalanced redox reaction: MnO4 - (aq) + SbH3 (aq) - - - > MnO2 (s) + Sb (s) What is the oxidizing agent in the reaction? Select one: a. MnO4- b. SbH3 c. MnO2 d. Sb

What is called a bond between a metal and a nonmetal

100 level student of the adamawa state university mubi was ask to synthesize ammonia (haber process) in the ratio 3:1 of hydrogen to nitrogen. durin the synthesize, 6.00 mole of nitrogen, 4.20 mole of hydrogen and 0.

Na + leaks through neuron membranes faster than k + because of the properties of the non-gated leak channels. na + leaks through neuron membranes faster than k + because of the properties of the non-gated leak channels. a. True b. False

How many protons does one atom of sulfur have

Which shows the electron configuration for zinc (Zn) ? [Kr]5s24d10 [Kr]5s24d6 [Ar]4s23d9 [Ar]4s23d10