What is the identity of the alkaline earth metal chloride
Electrolysis of an alkaline earth mtal cloride using a current of 5.00 A for 748 sec. deposits .471g of metal at the cathode. what is the identity of the alkaline earth metal chloride?
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A gas is confined to a cylinder with a movable piston. A small weight is placed on the piston after which the system reaches equilibrium, shown above. If the weight of the piston and the additional small weight is F = 76.0 N and the piston has an
Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard.
Air is about 78.0% nitrogen moleculesand 21.0% oxygen molecules. Several other gases make up there maining 1% of air molecules.
A highway is to be built between two towns, one of which lies 87.0 km south and 50.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway be directed, as
Assume the water temperature is 25oC. The pressure in the smaller section is P1=300 kPa. Calculate the downstream pressure, P2, and estimate the error that would have occurred if Bernoulli's equation had been used.
Reconsider the same situation, except that now there is a point charge of +q on the plane and a point charge of -q at the other end of the guideline. In this case, the line breaks when the kinetic energy of the plane is 51.9 J. Find the magnitude
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 60
A first order reaction has an Arrhenius constant for the reactionis 4.8 x 1011 sec -1, and an activation energy of 61.4 kJ. At what temperature (in Celsius) is the rate constant equal to 0.459 sec-1?
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