Which indicAtor would you use to chose to identify an unknown substance as an acid or base? Why?

How many moles of bromine gas are in 37.7 grams? 0.236 0.472 3.01 * 103 79.9 none of the above

What's an example of chemical reaction

A compound contains 30. percent sulfur and 70. percent fluorine by mass. the empirical formula of the compound is

Which of the following processes would you expect to have a negative value for entropy? NaCl (s) Na + (aq) + Cl - (aq) H2O (s) H2O (l) NaCl (s) NaCl (l) 2 Al (s) + 3Br2 (l) 2AlBr3 (s) C2H5OH (l) C2H4 (g) + H2O (g)

Which membrane-bound organelle is found in plant cells, but not animal cells? Chance 13

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?

How is the amount of sunlight affect the makeup of an ecosystem

How many moles are in 65 g of carbon dioxide (CO2) ?

kilograms represented by the mass defect for thorium - 234=3.09x 10-27 kg what is the nuclear binding energy for thorium - 234