Chemistry, 23.03.2020 20:00 Aydenj9613
A balloon vendor at a street fair is using a tank of helium to fill her balloons. The tank has a volume of 124.0 L and a pressure of 104.0 atm at 24.0 °C. After a while she notices that the valve has not been closed properly. The pressure had dropped to 94.0 atm. (The tank is still at 24.0 °C.)How many moles of gas has she lost?
Answers: 1
Chemistry, 22.06.2019 06:40
Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
Answers: 1
Chemistry, 23.06.2019 09:00
What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.
Answers: 2
Chemistry, 23.06.2019 11:30
Which of the following is a property of nonmetals? a.nonmetals are ductile. b.nonmetals have a shiny luster. c.nonmetals have high density. d.nonmetals are nonconductors.
Answers: 1
A balloon vendor at a street fair is using a tank of helium to fill her balloons. The tank has a vol...
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