The activation energy (Ea) for the reaction
2N2O(g) → 2N2(g) + O2(g) ΔH
o
= −164 kJ/m...
Answers: 1
Chemistry, 21.06.2019 23:00, fespinoza019
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 22.06.2019 04:00, soonerlady19
Which atom or ion is the largest? 0 a. 0 0 0 0 e. li
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Chemistry, 22.06.2019 08:30, microwave13016
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, 23.06.2019 03:30, jennelledenise
Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral
Answers: 1
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