A loaf bread has a mass of 500 g and volume of 12.0 cm3. what is the density of the bread

For each of the bonds listed, tell which atom is more negatively charged a. C--H b. C--N c. C--S d. C--O

What is the colour of feso4.7h2o crystals

Hydrogen is a nonmetal and oxygen is a nonmetal. If these two elements were to bond, they would form a? (A) covalent compound (B) ionic compound (C) element (D) salt

A hydrated salt is a solid that includes water molecules within its crystal structure. A student heated a 9.10-gram sample of a hydrated salt to a constant mass of 5.41 grams. What percent by mass of water did the salt contain? (1) 3.69% (3) 40.

Which of the following would not neutralize a solution of H2SO4? sodium hydroxide nitric acid lithium hydroxide ammonia

What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?

Label the molecular shape around each of the central atoms in the amino acid glycine. hint

Which has more atoms, 2moles of carbon or 2 moles of aluminum

At 100 degrees c, water reacts with acetic anhydride to make acetic acid. also, at 100 degrees c, water reacts with acetylsalicylic acid and reverts it to salicylic acid and acetic acid.