Answers: 3
Physics, 22.06.2019 02:10
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 22.06.2019 23:30
Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence
Answers: 3
Physics, 23.06.2019 01:00
Given the data calculated in parts a, b, c, and d, determine the initial rate for a reaction that starts with 0.85 m of reagent a and 0.70 m of reagents b and c?
Answers: 1
JUST ALL OF PHYSICS. it is very confusing...
Mathematics, 28.11.2020 14:00
Physics, 28.11.2020 14:00
Mathematics, 28.11.2020 14:00
English, 28.11.2020 14:00
Mathematics, 28.11.2020 14:00
English, 28.11.2020 14:00
Social Studies, 28.11.2020 14:00
Computers and Technology, 28.11.2020 14:00
Mathematics, 28.11.2020 14:00
Mathematics, 28.11.2020 14:00
Mathematics, 28.11.2020 14:00
Mathematics, 28.11.2020 14:00
Biology, 28.11.2020 14:00