During a reaction 24 cubic cm of carbon dioxide was given off. After 8 minutes no more gas was produced and the reaction was complete. What was the rate of this reaction.

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What is true about the metals in group 1A, 2A, 3A? a) all form ions with negative charges b) all have ions with a 1 + charge c) gain electrons when they form ions d) lose electrons when they form ions

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When the following equation is balanced, what is the coefficient for HCl? Mg (s) + HCl (aq) → MgCl2 (aq) + H2 (g) 2 1 3 6

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

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When you mixed 20 grams of magnesium and an excess of nitric acid, 1.7 grams of hydrogen was actually produced. What is the percent yield of hydrogen during this reaction? Mg + 2HNO3 Mg (NO3) 2 + H2 3.3 % 48.5 % 25.7 % 102 % 98 %

A small cubical furnace 50 by 50 by 50 cm on the inside is constructed of fireclay brick [k = 1.04 W/m. degree C] with a wall thickness of 10 cm. The inside of the furnace is maintained at 500 degree C, and the outside is maintained at 50 degree C.

What is the molar mass of Al2 (SO4) 3?150.03 g/mol 278.03 g/mol 342.17 g/mol 450.09 g/mol