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A spring with spring constant 10 N/m has a mass of 0.2 kg attached to it, and is hanging from the ceiling. The mass is released from rest in a position where the spring is not stretched. Compute the work on the mass by (a) gravity and (b) the spring during the time that the mass drops a vertical distance of 10 cm.
Assuming the density of acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to neutralize 25.0 mL of 0.10 M NaOH.
Which functional groups are based on carbonyl moiety. Which functional groups act as a nucleophile and an electrophile
For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 39°C
What is the mass of water formed when 7.3L of H2 gas at STP reacts completely with O2 gas?
Find three atoms in the periodic table whose ions have an electron configuration of nd7 (n= 3, 4, 5,..).
Given that the acidity constant for benzoic acid (HOBz) is Ka=6.5x10-5, calculate the basicity constant, Kb, of the benzoate ion (OBz-).
Explain a rigid 8.20 L flask contains a mixture of 2.50 moles of H2, 0.500moles of O2 and sufficient Ar thus that the partial mixture of Ar in the flask is 2.00 atm. The temperature is 127 degrees Celcius.
a student weighs out 10.000g of mgso4 from a bottle. after heating the sample mass was 5.720g. how much water should
A pure titanium cube has an edge length of 2.65 .How many titanium atoms does it contain. Titanium has a density of 4.50g/cm^3
1) Why are the shapes of molecules important? 2) ) What is molecular polarity and give common examples.
What will be wavelength required for a baseball (mass = 149 g) traveling at a speed of 41.6 m/s
how many miligrams of concentrated sulfuric acid (H2SO4) [having the strength is 18 M], are required to prepare 750 ml of 3.0 M
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