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For the reaction given below, how many grams of Na2CS3 are produced in the reaction of 65.0 mL of liquid CS2 (d = 1.26 g/mL) and 1.56 mol NaOH?
3 CS2 + 6 NaOH ? 2 Na2CS3 + Na2CO3 + 3 H2O
you have a 1.0cm3 sampleof lead and a 1.0cm3 sample of glass. you drop each in a separate beaker of water. how do the
A peanut is burned in a calorimeter made from an aluminum can. The peanut weighed 0.780 g before combustin and .054 g after combustion. The temperature change of aluminum can filled with 200 ml of water was 15.3. (Density of water = 1.00g/C)
Compare the experimental mole ratio of NaHCO3 to NaCl with the theoretical mole ratio. Explain the difference. The experimental mole ratio is 1:1.
Draw all of the Lewis structures of NO2+ which obey the octet rule and use this Lewis structure or these resonance structures to predict how many covalent bonds connect each oxygen atom in the real structure to the central N atom.
The density of air under ordinary conditions at 25 C is 1.19g/L. How many kilograms of air are in a room that measures 11.0ft x 11.0ft and has an 10.0ft ceiling. 1 in = 2.54 cm (exactly); 1L= 10^3 cm^3.
A .500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 3.69x10^-3M. Find the dissociation constant for this acid.
read the scenarios below and respond in the form of an essay which should consist of several paragraphs and appropriate
Zinc chloride (ZnCl2) is 52.02% chlorine by mass. What mass of chlorine is contained in 65.0 g of ZnCl2?Answer in units of g.How many moles of Cl is this?Answer in units of mol.
0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions
Explain how you known. Use Lewis dot drawings as part of your explanation. Ag+ + 2NH3 --> [Ag(NH3)2]+
Assign the lines in the UV photoelectron spectrum of CO shown below and predict the appearance of the UV photoelectron spectrum of the SO molecule.
If 0.785 mole of ammonia gas occupies 24.5 L at 0.853 atm, what is the Celcius temperature
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