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Maximillian Steele
g write net ionic equations for the reactions of h2po4 - an amphiprotic ion with aqueous solutions of hcl koh
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Harley Zhang
Eagles use sharp talons to grab fish from the water. What characteristic of life is this most directly an example of?
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Humberto Lucas
Which of the following statements about rock and mineral resources is true
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Felix Rodriguez
What are similarities between opinion based research and observation based research
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Gauge Underwood
What does your circulatory system transport?
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Hamza
What are the chemical components of a dna molecule?
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Guest
Which type of reaction is described by the following equation? Na2O (s) + 2CO2 (g) + H2O (g) produces 2NaHCO3 (s)
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Lilly Dawson
According to Hund's Rule, if you were filling the three orbitals at the 2p energy level, you would first put an electron in the 2px orbital, then in the 2py orbital, and then in the 2pz orbital; and THEN use any additional electrons to pair up (one at a time) with those electrons.

A. True

B. False
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Kaeden Deleon
It is snowing where Jenna lives. It's been snowing all day, but now the snow has changed to sleet and then to freezing rain. What is happening to cause these changes?
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Salma Navarro
Liquid sample a has a higher vapor pressure than liquid sample b (both in closed containers). what can be said about sample a compared with sample b?
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Alyvia Ritter
A neutral atom has high electronegativity.

Describe what happens to this atom during ionic bond formation?
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Parker Small
Which daughter element is produced from the beta decay of 89/36 kr
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Mayra Jimenez
What is "change" when we are talking about natural and physical systems?

A.

Information that has been proven to be true

B.

Repeated processes that are used in a variety of ways

C.

A process for using knowledge and skills to acquire new knowledge

D.

A variable or alteration to one part that affects an entire system
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Schaefer
1. The sum of the pH and the pOH must always be equal to a constant value. What is the numerical constant?
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Tess
What concentration of the lead ion, pb2+, must be exceeded to precipitate pbf2 from a solution that is 1.00*10-2 m in the fluoride ion, f-? ksp for lead (ii) fluoride is 3.3*10-8?
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