An organic compound contains C=61%, H=11.8% and O=27.12%. Calculate the empirical formula and molecular

formula of the compound. The vapour density of the compound is 59.

Provide the most likely dominant bonding mechanism in the following solid compounds:a. CaO b. InAs c. Al2O3 d. Bronze

If someone adds million of small fish to a lake, how would the number of big fish change

Which of the following are examples of physical change? Copper oxidizing Iron rusting Carbon dioxide sublimating Water evaporating

A 5.18-g sample of a mixture of MgBr2 (s) and sucrose (C12H22O11) is dissolved in water and all the bromide is precipitated as AgBr (s). If the AgBr (s) precipitate has a mass of 7.65 g, what is the mass percent of MgBr2 (s) in the mixture?

90.0 g of Ca (NO3) 2 was used to create a 2.6 M solution. What is the volume of the solution? (Ca (NO3) 2 = 164.0878 g/mol)

When comparing the two elements P and I, the element with the higher first ionization energy is PP When comparing the two elements P and I, the element with the higher first ionization energy is blank based on periodic trends alone.

Internal respiration is the transfer of oxygen and carbon dioxide from the lungs to the tissue cells of the body. True or False

Which element is a metalloid? 1. Al 2. Ar 3. As 4. Aa

You move a 25N object 4 meters. Find the work you did

What is the relationship between matter and elements