5. 54 J of heat is required to raise the temperature of a 2.47g unknown substance from 17.10C to 46.70C. a) Calculate the specific heat of the substance b) What is the substance?

Which fossil fuel accounts for 95% of consumption for transportation? A) natural gas B) coal C) oil D) nuclear energy

What is the net ionic equation of the reaction of BeCl2 with NaOH? Express your answer as a chemical equation.

The Yangtze River of China begins with a glacier in the mountains of the Tibetan plateau. The river ends at the East China Sea.

A semipermeable membrane has a 2 percent salt solution on one side and a 15 percent salt solution on the other side. what will most likely occur?

How is a mineral's effervescence measured? scraping it against an unglazed porcelain plate dripping acid onto it placing it near iron filings striking it with a hammer

Which does not add to the reliability of a scientific source of information? displaying data in a colored chart clearly identifying the sources of the data explaining how the data was collected showing that many scientists had reviewed the

Given that pH + pOH = 14, what is the pH of a solution if its pOH is 12.4?

How long does it take to anser this quesiton fist one gets brialyest

Which of the following quantities is conserved in a chemical reaction

Describe soda on the effect of baking stomach contents with ph4