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How many grams of methane, CH4, are present in 2.6 liters at standard temperature and pressure?
Calculate the mass of silver chloride required to plate 215 mg of pure silver if silver chloride contains 75.27% Ag.
The formula Co(NH3)5CO3Cl could represent a carbonate or a chloride: write the two formulas, draw the two structures and name them
determine the specific heat of a material if a 35 g sample of the material absorbs 48 j as it is heated from 298 k to 313 k
Using Beer's Law calculate the value for (extinction coefficient) in units of ppm-1 cm:
Problem- As a KBr and water solution begins to freeze, water molecules will tend to become organized into the pure ice crystal structure excluding the K+ and Br- ions which stay mixed with the remaining liquid water. Eventually, the remaining liqu..
There are two isomeric alkenes that would produce 1-iodo-1-methylcyclohexane on treatment with HI. One is more reactive than the other
Define molecular mass and molar mass. What are the differences between them?
Suppose you have a sample of sodium weighing 11.70g. How many atoms are present in the sample
the empirical formula of a substance is bh3 the exper molar mass is 27.67 gmol. determine the molecular formula of the
If 1.00 mol of argon is placed in a 0.500-L container at 18.0 C, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation)
If 2.45 g of X reacts with 6.55 g of M to produce 11.25 g of a compound with the formula M2X3, and the atomic mass of M is 42.0 amu, what is the atomic mass of X
(a) What is the current on the circuit? (b) What is the voltage drop across each resistor? (c) What is the power dissipated by each resistor?
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