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How many grams of magnesium chloride could be formed from the reaction of 6.82 g of magnesium with excess HCl?
When 6.40 g of CH3OH was mixed with 10.2 g of O2 and ignited, 7.50 g of CO2 was obtained. What was the percentage yield of CO2?
What is a meniscus? Why do some liquids develop a meniscus? How do we read the liquid level in a volumetric measuring device
What is a zymogen? Is it used over and over like other enzymes? And what is the physiological advantage
If 4.00 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced.
Compute the ΔH for this reaction and express your answer in kilojoules if the given . Bond Energies (kJ/mol) are N-Cl 201 , Cl-Cl 243 , N-H 389 ,H-Cl 431
Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand . When the monoprotonated form, , abbreviated HA , is added to an aqueous solution of Cu2+,
Calculate the concentrations of all species in a 1.10 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
A balloon of methane gas, CH4, has a temperature of - 2.0 Degrees Celsius and contains 2.35 g of the gas. What is the temperature of the gas in kelvins
A chemical firm was hired to monitor a nearby lake for possible mercury contamination. Several samples were taken at different locations around the lake, including water samples.
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure of ClO4-
Which of the following will react with Benedict's reagent?
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