Chemistry, 30.11.2020 01:30 morkitus13
Which of the following best explains Samantha's results?
A. Samantha grows taller through the morning as the Earth rotates.
B. The Earth and the Sun stay in the same position throughout the morning.
O C. The Sun gets closer to the Earth later in the morning.
D. The Sun appears to move higher in the morning sky as the Earth rotates,
Answers: 3
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Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
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How many miles of water are produced if 5.43 mol pbo2 are consumed
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What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18
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Chemistry, 22.06.2019 21:00
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
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Which of the following best explains Samantha's results?
A. Samantha grows taller through the morni...
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