A solution was formed by combining 25.0g of solid A with 60.0ml of distilled water, with the water initially at 21.4* C. The final temperature of the solution was 25.3* C. Calculate the heat released as the solid dissolved, q soln, assuming no heat loss to the calorimeter.

How does litmus paper indicate an acid?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.