Answer:
9/10hr
Explanation:
From the question given:
Carla was able to burn 250 calories by running for one-half (1/2)hr.
Therefore, Carla will burn 450calories by running for = (450x1/2) /250 = 225/250 = 9/10hr
Answer:
Only a volcano could have produced so much ash, but there are NO volcanoes in Nebraska, where the animals were found. One Geologist in Idaho knew of a volcanic eruption dating from the same time.Bill Bonnichsen tied the 2 events together using dating techniques and comparing the ash composition from a supervolcano called Bruneau Jarbridge.
2NBr₃ + 3NaOH = N₂ + 3HOBr + 3NaBr
40 mol 48 mol
NBr₃:NaOH = 2:3
40:48 = 2:2.4 = 2.5:3
NBr₃ is the excess reactant
<span>HF has a higher [OH-] than a solution of 1.0 M HCl. is the answer</span>
