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Element x reacts with Hydrogen gas at 200 deg celsius to form compound Y. When y is heated to a higher temperature, it decomposes to the element x and hydrogen gas in the ratio of 559ml of H2 (measured at standard temp and pressure) for 1.00g of x reacted. X also combined with chlorine to form a compound Z which contains 63.89% by mass of chlorine. Deduce identity of x.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
Solid silicon and solid magnesium chloride forms when silison tetrachloride gas reacts with magnesium metal.
Helium gas at 104.0 kPa and 372.0 K is located within a cylinder with a piston. Initially the gas occupies 0.3000 m3. While a constant force, F, is applied to the end of the piston so that the pressure inside the cylinder is held constant at 104.0..
If fuel mixtures are required to contain 3.0 oxygen by mass, how many grams MTBE must be present in each 110 gasoline.
If solar radiation is 1200 W/m^2 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation. A green leaf has a surface area of 2.15 cm^2.
A mole is equal to 6.02 x 10^23. 10 moles of hydrogen atoms are placed in a container. The hydrogen atoms are removed and counted one by one. What will the final count of hydrogen atoms be
An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2.
How many grams of potassium phthalate must be added to 750 mL of 0.0500 phthalic acid to give a buffer of pH 5.75?
Consider the following grayscale electrostatic potential map. the region are labeled as to color. which atom is the most likely to be attacked by a nucleophile choose from the answers provided. (a) 1 (b) 2 (c) 3 (d) 4
Calculate the potential developed bya voltaic cell using the following reaction if all dissolved species
Propane burns in oxygen to produce carbon dioxide and water. c3h8 +5o2 yeilds 3co2 +4h2o Calculate the math of co2 that can be produced if reaction of 44g of propane and suficient oxygen has a 60% yeild.
What is the empirical formula of cyclopentane? If the molar mass of cyclopentane is 70.1 g/mol, what is its molecular formula?
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