If 50,000. Joules are added to 5.00 kilograms of water at 12.0 degrees Celsius, what is the final temperature?

When ammonium chloride (nh4cl) is dissolved in water, the solution becomes colder. is this process endothermic or exothermic and what can you conclude about the relative magnitude of lattice energy versus heat of hydration for this process?

You have 75.0mL of a 2.50 M solution of Na2CrO4 (aq). You also have 125mL of a 1.88 M solution of AgNO3 (aq). Calculate the concentration of NO3 - after the two solutions are mixed together

Which of the following situations would result from water having a high specific heat? A. When cooking pasta, the water boils really fast. B. The ocean changes temperatures quickly as the seasons change. C.

Class science A revolution occurs: Question 14 options: Each time the Sun rotates around the Earth Each time the Earth turns once on its axis Each time the Earth orbits the sun once

If your conclusion does not agree with (disproves) your hypothesis: A the experiment must be wrong B your hypothesis is right C your hypothesis is probably wrong D your observations or data must be wrong

Which atom has a change in oxidation number of - 3 in the following redox reaction K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2

Why does fluorine have a higher electronegativity than lithium?

What mineral is this? Irregularly shaped, white with nonmetallic luster, the hardness of 2.5, shows cubic cleavage and dissolves easily in water.

The passage of the USA Patriot Act of 2001 and the creation of the Department of Homeland Security reflect the determination of the United States government to (1) search for weapons of mass destruction in South Asia (2) increase the globalization

Is it possible for 2 different elements to have the same atomic number