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Is the neutralization reaction between ammonia and hydrochloric acid exothermic or endothermic? Explain your answer.
Assuming no elasticity forces in rubber, what volume should a 1.0L ballookn at 25 degree Celsius and 1.00 atm pressure be if immerses in liquid nitrogen
the balloon reaches an altitude of 100m, where the pressure was 658 mmHg and the temperature was -8c. what was the volume in liters of the ballon at these conditions?
Which set of the following changes causes an increase in the solubility of a gas in solvent with which the gas does not react. Decreasing the T of the solvent and simultaneously decreasing the P of the gas in the space above the solvent
a) what is the new volume if 0.500 mol of O2 gas is added? b) Oxygen is released until the volume is 10.0 L. How many moles of O2 are removed? c) What is the volume after 4.00 g of He is added to the 4.80 g of O2 gas in the container
Which one of the following compounds is not consistent with the terminology of a complex? A) [Cu(NH3)4]2+ B) D) [Cr(NH3)6]Cl3
A 2750 ml sample of 3 M HCl solution is treated with 4.66gm of magnesium. Calculate the concentration of the acid solution after all the metal has reacted. Assume that the volume remain unchanged.
C2H4+2O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent b. calculate the moles of water produced
an unknown amount of water is mixed with 350 ml of a 6 m solution of naoh solution. a 75 ml sample of the resulting
Reactant: water and 2.51 g of SbCl3 Product: 1.906 g of a solid of antimony, oxygen and chlorine, and 0.802 g of a single gas that is 97.20% chlorine and 2.75% hydrogen What is the empirical formula of the gas and the solid
Explain how no fat diet can affect the body including each of the following:- the molecule, or class of molecules affected
A 0.10-mol sample of a diprotic acid, H2A, is dissolved in 250 mL of water. The Ka1 of this acid is 1.0 x 10-5 and Ka2 is 1.0 x 10-10. Calculate the concentration of A2- in this solution.
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor pressure
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