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Balance the following equations for both mass and charge. a. C3H8O (l) + O2 (g) ? CO2 (g) + H2O (l) b. K2S (aq) + Ni(NO3)2 (aq) ? KNO3 (aq) + NiS (s) c. As2O3 (s) + NO3-(aq) ? H3AsO4 (aq) + NO(g) (acid conditions) d. PCl3 (g) + NH3 (g) ? P(NH2)3 (g) + HCl (g) e. C3H6 (g) + NH3 (g) + O2 (g) ? C3H3N (g) + H2O (g)
Draw the structure of the following three isomeric amides with chemical formula C6H11NO. Draw all three structures in the same window, DO NOT separate them with an arrow
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content, a 10.00 g sample of the vase was ground and reduced with Pb(Hg) to convert any WO3 to W3 . ..
The substance CS2 has a melting point of -110.8°C and a boiling point of 46.3°C. Its density at 20°C is 1.26 g / cm3. It is highly inflammable. a.)Name this compound.
What is the temperature of .49 mol of gas at a pressure of 1.2 atm and a volume of 12.4 L? 2. A weather balloon is inflated to a volume of 26.1 L at a pressure of 755 mmHg and a temperature of 23.0. C The balloon rises in the atmosphere to an alti..
32.5 kJ/mol°GD Muscles are powered by the hydrolysis of Adenosine tri phosphate determine Keq for this reaction
bromine can be obtained from the decomposition of calcium bromide by means of electrolysis. if 10.0 g of calcium
Given the reaction: Ca + 2H2O -> CA(OH)2 +H2 What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite
what is delta s total (entropy change) for the process? latent heat of fusion of water at 0 C is 334 J/g and the specific heat of subcoooled liquid water is 4.226 J/gC.
The following reaction is known to have a standard change in enthalpy of 148 kJ/mol and a standard change in entropy of 312 J/(mol•K) at 25ºC. What is the normal boiling temperature (ºC) of XY3? XY3(l) ? XY3(g)
Write a chemical reaction equation that shows what happens when HNO3 is added to MnCO3. Remember to include the physical state symbols.
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
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