Given that the density of iron is 7.9 g/cm3, what would be the volume of a 15.8 g piece of iron

if 5.50 mol of calcium carbide (CaC 2) reacts with an excess of water, how many moles of acetylene (C 2 H 2), a gas used in welding, will be produced? CaC2 (s) + 2H2O (l) Ca (OH) 2 (aq) + C2H2 (g)

Describe two factors that can contribute to resistance of weathering of rocks

A 21.5 g piece of iron at 100.0∘C is dropped into 132 g of water at 20.0∘C. What is the final temperature of the system, in degrees Celsius, if the specific heat of iron is 0.449Jg∘C? Round your answer to one decimal place. Use 4.

How does the sun heat the side of the Earth facing away from it?

Why do the actual electron configurations for some elements differ from those assigned using the aufbau?

How many covalent bonds does oxygen form if each of its unpaired electrons participate in one bond?

What can be concluded if an ion of an element is smaller than an atom of the same element?

At stp how many liters of nh3 can be produced from the reaction of 6.00 mol of n2 with 6.00 mol of h2?

In an experiment, the density of an unknown liquid was calculated to be 0.78 g/ml. if the accepted value is 0.75 g/ml, calculate the percent error made.

Given:A (g) + 3B (g) ⇋ C (g) + 2D (g) 1.0 mole of A and 1.0 mole of B are placed in a 5.0-liter container. After equilibrium has been established, 0.50 mole of D is present in the container. Calculate the equilibrium constant, Kc, for the reaction.