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How many grams of phosphorus react with 38.1 L of O2 at STP to form tetraphosphorus decaoxide? P4(s) + 5 O2(g) P4O10(s)
A 50.0g silver object and a 45.0 g gold object are both added to a 55.5 mL of water contained in a graduate cylinder. what is the new water level in the cylinder.
Estimate the vapor pressure at temperatures of 273, 298, 363, 383, and 423 K respectively
At what temperature do all three temprature scales have the same numerical values. pls show step by step or proof.
Formic acid, shown below, is a monoprotic acid, circle the acidic hydrogen. write the formula of the conjugate base after the acidic hydrogen is lost?
Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?
Based on the solubility rules, which one of these compounds should be soluble in water?
calculating the pH of the final solution at equivalance point. Please show a step-by-step process
If a molecule containing only oxygen and nitrogen is 36.8% Nitrogen by mass, what is the emperical formula
The neutralization of 50.0 mL of 1.00 M hydrochloric acid with 50.0 mL of 1.00 M sodium hydroxide causes a 6.7°C increase in temperature. Predict how the following changes to the experimental protocol would affect the value of the change in temper..
The reaction of copper metal with silver ions in a solution if silver nitrate is spontaneous . Calculate she standard cell potentiom to show that this is so.
Calculate the standard reaction enthalpy for the formation of boron trifluoride, which is widely used in the chemical industry:B2O3(s) + 3CaF2(s) > 2BF3(g) + 3CaO(s).
A 41 kg person drinks 250. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
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