Chemistry, 29.04.2021 22:00 keriyannafultz
Question 3
A sample of neon gas in a rigid container has a temperature of 392 Kat
557 kPa. If it is cooled to 303 K, what is the new pressure (in kPa)?
1. 721 kPa
2. 431 kPa
3. 213 kPa
4. 101 kPa
Answers: 1
Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
Chemistry, 22.06.2019 12:30
Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
Answers: 3
Chemistry, 23.06.2019 05:00
Match each term to its description. match term definition excess reactant a) reactant that can produce a lesser amount of the product limiting reactant b) amount of product predicted to be produced by the given reactants theoretical yield c) reactant that can produce more of the product
Answers: 3
Question 3
A sample of neon gas in a rigid container has a temperature of 392 Kat
557 kPa. I...
557 kPa. I...
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