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fiyin
Questions (6)
a car with 4 wheels has the tyres at a pressure of 20N/cm2. Each tyre of 100cm2 in contact with the road. what is the weight of
1 answer
548 views
1) Copy and complete:
Two particles can react together only if they …… and the …… has enough …… to be ……. 2) What
2 answers
1,498 views
an electric heater raises the temperature of 120g of water in a thin light vessel through 10K in 2mins, when placed in 70g of
2 answers
904 views
calculate the specific heat capacity of the materials for which the heat supply, mass, and temperature rises are given below:
i)2
1 answer
553 views
150g of ice at 0'c is mixed with 300g of water at 50'c. calculate the temperature of a mixture
1 answer
1,628 views
1) what mass of ice at -14'c will be needed to cool 200cm3 of an orange drink (essentially water) from 25'c to 10'c!
(specific
1 answer
731 views
