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-For the following reaction, how many grams of NaCl could be produced from 103.0 g of Na reacting with excess chlorine? 2Na + Cl2 2NaCl
-What is the specific heat of a known material if a 6.0 g sample absorbs 50.0 J of heat when the temperature is increased from 30°C to 50°C?
-A balloon's volume is 2.5 L and has a pressure of 1.3 atm. If the pressure is increased to 4.6 atm, what will the new volume of the balloon be (given that the temperature and amount of gas is held constant)?
a gas-filled balloon having a volume of 5.00 l at 1.2 atm and 25degc is allowed to rise to the stratosphere about 30 km
one hundred grams of water is saturated with NH4CLat 50 degrees C. According to table G, if the temperature is lowered to 10 degrees , what is the total amount of NH4CL that will precipitate?
Why is it essential to wash the recrystallized material with cold, not warm or hot, solvent. What might occur if the wash with cold solvent was omitted
Distinguish between factors that will make a solute dissolve faster (dissolving rate) and those that will make more solute dissolve (solubility).
explain why even though 16 annulene is not aromatic it adds two electrons readily to form an aromatic
What is the ion, charge on the ion and hybrid orbitals used by Sn
a sample of nitrogen gas occupies 1.55 l at 27.0 c and 1.00 atm pressure. what will the volume be -100 c and the same
A 12.0 mL sample of a compound has a density of 1.44 g/mL. What is the weight of the sample in g?
What I want to make sure is that Be(OH)2 is not a strong base right? reading a statement off of my chemistry book that "the principal strong base are the hydroxides of group IA elements and group IIA elements (except Be)." I also read that the giv..
Question- a) Show with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH. Please show all steps.
According to the EPA, the maximum contaminant level (MCL) of beryllium in drinking water is 0.0040 mg/L. Convert the MCL of beryllium from milligrams per liter to parts per billion (ppb).
The reaction can be catalyzed by a strong acid. A food chemist determines that an increase in temperature from 50 to 60 degrees Celcius increases the initial rate of this reaction by a factor of 2.12
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