Why are ionic compounds solid at room temperature?

Which type of reaction occurs in the following equation? 2NO2 (g) + 2OH" (aq) - - NO2 (aq) + NO, (aq) + H2O (1) a combination redox reaction a displacement redox reaction a synthetic redox reaction a disproportionation redox reaction

How do decantation and filtration differ which should be faster

0.102 g of an unknown (non electrolyte) compound is dissolved in enough water to make 100. mL of a solution and has an osmotic pressure of 28.1 mmHg at 20 C. Calculate the molar mass of the compound.

Use the word part meanings to figure out which term describes a desert plant, such as a cactus. a. mesophyte b. hydrophyte c. xerophyte

List three suggestions offered in the credits for changing the bottles water industry

A hydrate of beryllium nitrate has the following formula: Be (NO3) 2⋅xH2O. The water in a 3.41-g sample of the hydrate was driven off by heating. The remaining sample had a mass of 2.43 g. Find the number of waters of hydration (x) in the hydrate.

How much concentrated 5.24M sulfuric acid is need to prepare 4.4 mL of a 5.29M solution

What is the percent yield if the actual yield from this reaction is 343 g?

What is the best safety practice recommended before leaving the chemistry laboratory?

Which of the following numbers is correctly rounded to three significant figures, as shown in brackets? a. 12,556 [12,500] b. 4.5671 * 10^-9 [4.567 * 10^-9] c. 3.00072 [3.001] d. 0.006739 [0.00674] e. 5.4589 * 10^5 [5.459 * 10^5]