Chemistry, 03.03.2021 20:10 jumpman2344
Geologists use the superposition and radioactive dating to determine the age of the Earth. Which statement correctly describes the use of one of these methods? Group of answer choices Using radioactive dating to determine the age of different rocks found in the desert. Using superposition to determine how many years old a river rock is. Using radioactive dating to determine the relative age of the Grand Canyon’s rock layers. Using superposition to compare the age of a rock to plant life in the area.
Answers: 1
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 02:50
Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)
Answers: 1
Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Chemistry, 22.06.2019 09:40
Consider this initial-rate data at a certain temperature for the reaction described by
Answers: 1
Geologists use the superposition and radioactive dating to determine the age of the Earth. Which sta...
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