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Suppose two soap bubbles, one smaller than the other, are each attached to ends of glass tubes as well as the tubes are connected via a stopcock. While the stopcock is opened, will the bubbles change in size, and if so, which will grow? Explain why
Presuming the same molar amounts of Al Mg and Ca were used in this experiment for which would there be more H2 gas evolution. For which would more HCl stay put in the reaction flask after the reaction
a 155 g sample of an unknown substance was heated from 25.0degc to 40.0degc. in the process the substance absorbed 5696
A single alkyl bromide reactant theoretically yields either of the given products, depending on the reaction conditions
an organic compound molar mass97 is dissolved in water to form asolution with a density of 1.05 gml and a molarity of
the minimum energy required to cause the photo electric effect in potassium metal is 3.69*10^-19 J. will photoelectrons be produced when light shines on the surface of potassium?if 400 nm radiation is shone on potassium,what is the velocity of the..
It is common to see the the strength of aspirin tablets listed in terms of the number of grains of ASA per tablet. using the conversion factor of 15.4 grains per gram ASA,
The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, Delta H, is an extensive property.
Some athletes have as little as 3.00 body fat. If such a person has a body mass of 45.0 , how many of body fat does that person have
An electron with a mass of 9.11 x 10^-31kg and traveling at a velocity of 3.55 x 10^6 m/s has a wavelength which is measurable. what is the wavelength?
If 40.0 g of methane (CH4) is confined to 2.50 x10^3 mL at 200 degrees celsius, what pressure in atm does it exert
This solution was made up to the mark in a 200ml volumetric flask with water. It was found 10mls of this solution required an average titre of 6.50ml of 0.05M HCl for neutralisation.
Why does clove oil float on the surface of the aqueous distillate rather than sinking to the bottom?
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