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Calculate the [HNO3] in each aqueous solution at 25C and classify each solution as acidic or basic a)[OH]=1.1x10^-9M b)[OH]]=2.9x10^-2M c)[OH]=6.9x10^-12M
Consider the following system at 100°C: N2O4(g) ?2NO2(g) Kc = 0.36 Predict the direction in which the system will move to reach equilibrium if we start with 0.20 mole of N2O4
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
Suppose you wanted to heat a mug of 250. mL water from room temperature, 25°C, to 100°C to make a cup of tea. How much energy (in joules and in calories) would you need from your microwave.
A distance of 200 ft must be taped in a manner to ensure a standard deviation smaller than ± 0.03 ft. What must be the standard deviation per 100 ft tape length to achieve the desired precision?
What is the basis for distillation techniques used to separate two or more components and If so, this would give me the four apparatus requested.
Draw the abbreviated structural formula of the products of the complete hydrolysis of lidocain
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
How many moles of Ba(OH)_2 are present in 255 mL of 0.800 it M Ba(OH)_2?
Sucrose, C12H22O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and ammonium chloride, NH4Cl, is a strong electrolyte.
Determine the percent yield if a student decomposes H 2 O to Form hydrogen (H) and oxygen(O). If the student starts with 34.7 grams of H2O and collects 20.0 grams of oxygen,
Calculate the specific heat capacity of this sample of mercury if The amount of energy required to heat 2.00 grams Hg from 50 degrees C to 85 degrees C is 9.87 J.
An open-end manometer containing mercury is connected to a container of gas. The mercury in the arm attached to the gas is 13.6cm higher than the one open to the atmosphere.
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