What is the chemical name for "ant spit"?

In the periodic table, the period number indicates A The number of not showing on the Lewis dot diagram's for elements in that period B The number of the outer most energy level for elements in that period C The number of balance electrons four

Which explains the change in ionized energy that occurs between removing the first and second electrons from an Atom?

The equation 2 N O 2 in equilibrium with N 2 O 4 represents a system,

During an experiment, the percent yield of calcium chloride from a reaction was 82.38%. Theoretically, the expected amount should have been 105 grams. What was the actual yield from this reaction? CaCO3 + HCl → CaCl2 + CO2 + H2O

What type of reaction absorbs heat from the surrounding environment? A. Endothermic B. Exothermic C. Heterothermic D. Homothermic

a ballon is filled with 35.0 f of helum in the moring when the twmoerature is 68 f. by noon the temperature has risen to 13 f. what is the new volume of the baloon

What happens to the mass if the volume is tripled? A: it is also tripled B: it doesnt change C: it is reduced to 1/3

1. A student calculated the theoretical yield of BaSO4 (s) in a precipitation experiment to be 1.352 grams. When she filtered, dried, and weighed her precipitate, however, her actual yield was only 1.279 grams. Calculate the student's percent yield.

What is a fan-shaped feature at the mouth of a river

How many moles of mgbr2 are there in 118.0 g of that compound?