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A student is running an experiment in which 51.4 grams of LiCl is needed, but the only jar of reagent in the lab is labelled lithium chloride monohydrate. How many grams of the hydrate must the student weigh out in order to get the desired amount of the anhydrous compound?
I am stuck in between this question please help me out
a 12.0g sample of 24na is prepared at 800am of tuesday for a circulation test. unfortunately the doctor forgot to sign
Question- Size an after burned and specify the flow rate of methane needed to control 800 cfm of air from a paint-drying oven. The oven exhaust gases are available at 250 F. Assume that the design temperature and residence time have been establish..
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
The Haber process is very important for agriculture because it converts N2 (g) from the atmosphere into bound nitrogen which can be taken up and used by plants. The reaction is N2 + H2->NH3
Write equations showing how each of the following weak bases ionizes water to form OH- a) HCO3- b) CH3NH2 Identify all of the phases
An aqueous solution containing 9.05 g of an optically pure compound was diluted to 500.0 mL with water and placed in a polarimeter tube 10.0 cm long. The measured rotation was -2.95° at 25 °C. Calculate the specific rotation of the compound.
A perfect gas undergoes an expansion process at constant pressure. Does its internal energy increase, decrease, or stay the same. Why
If a weak acid, HA, is 3% dissociated in a 0.25 M solution, calculate the Ka and pH of the solution.
create a data table to record your data from the procedure. be sure that the data table is neat and organized and that
Use the following balanced equation for the problem below: 2HCl + Na2CO3 = 2NaCl + CO2 + H2O If 35.0 gm of Na2CO3 is reacted with 18.0 gm of HCl, how many grams of CO2 are produced
How many liters of CO2 at 0 °C and 380 torr are obtained in the reaction of 3 g of ethane with excess O2
A magnesium goes from its grond state to its first electronically excited state. I assume the ground state is a singlet.
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