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Write and balance an equation illustrating the chemical reaction that results when magnesium is placed into concentrated hydrochloric acid.
Determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 15.1 degree Celsius to 40.3 degree Celsius?
A Flask contains 0.320 mol of liquid bromine,Br_2. Determine the number of bromine molecules present in the flask.
Question- A sample of nitrogen gas is placed into a container at 200k. If the temperature of the container is reduced by 100 deg C and the measured pressure decreases by 50%, how does the volume of the container change
determine why the 2s and 2p orbitals on hydrogen are degenerate and they are not in the case of lithium.the formation
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
A sample of argon gas occupies 4.000 L at 25.00 degrees Celcius. At what temperature in degrees Celcius would the gas occupy at 6.800 L
the R enantiomer and 19.0% of the S enantiomer, what is the enantiomeric excess of the mixture?
A gas is confined to a container with a massless piston at the top.A massless wire is attached to the piston. When an external pressure of 2.00 rm atm is applied to the wire, the gas compresses from 5.90 to 2.95 L. When the external pressure is in..
Given Data; P4+6Cl2=4PCl3 change temp= -2439 kj ,4PCl5=P4+10Cl2 change temp= 3438 kj calculate change in temp for the reaction PCl5=PCl3+Cl2.
A buffer is created by mixing equal concentration is NH4+ and NH3. Calculate the volume of both solutions needed to create a buffer of pH = 8.75 with a total volume of 100ml
Calculate the planar packing density (fractional area occupied by atoms) on the (110) plane of nickel at 300K. Calculate the linear packing density (atoms/cm) for the [100] direction in nickel at 300K.
Being that the active ingredient is Mg(OH)2, which decomposed to form Mg2+ and OH- ions. What are the two ways to increase solubility of Mg(OH)2 either before you take it or when it gets in the stomach
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