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Puja
Questions and answers by visitors named
Puja
Questions (4)
A zinc-copper battery is constructed as follows at 25 degree C:
Zn | Zn2+(0.15 M) || Cu2+(1.70 M) | Cu The mass of each electrode
2 answers
1,141 views
A cylinder with radius of 20 ft is being filled with water at a rate of 2000 ft^3/hour. Find the rate at which the height of the
1 answer
342 views
25% people in a group join a mountaineering activity,while the remaining 45 people do not join it. How many people are there in
3 answers
988 views
what is the unit of thermal capacity?
1 answer
361 views
Answers (4)
Licence
Always draw a diagram to see what is happening. Using trigonometry: SOH is used sin(55)=opposite/hypotenuse =55m/hypotenuse Hyp(sin55) =55m Hyp= 55m/sin55 Hypotenuse= 67.14 metres (2 decimal places)
In a reaction the quantity of heat that raises the temperature of some substance by some amount the same quantity of heat can simulteneously raise the same temperature of a certain mass of water.The mass of water is then termed as water equivalent
i donot know
