Question

1. a lump of ice -12 ° C is placed at room temperature for a few moments. the ice cubes melt and temperature is 10 ° C. how many degrees of temperature rise did the ice cubes experience?

2. a rice shop has a supply of 1.5 tons of rice. the next day, as much as 7.2 quintals of rice were sold. after that, the shop owner bought another 490 kg of rice. how many quintal of rice supplies in the store now?

Answer 1

1. Known:

Initial temperature = - 12 ° C

Temperature after melting = 10 ° C

Asked:

Temperature rise

Answer:

Temperature after melting - initial temperature

= 10 - (-12) = 10 + 12 = 22 °C

So, the temperature of the ice cube is 22 ° C

2.