a H-H< Ca-H< Ca-Ca
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
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Imagine that a new planet is discovered with two moons of equal mass: moon a and moon b. the mass of the new planet is greater than the combined mass of its moons. moon a is farther away from the new planet than moon b. what is the planet's gravitational pull on moon a compared to the planet's gravitational pull on moon b? the planet's gravity repels moon a with a greater force than it repels moon b, which is why moon a is farther away. the gravitational pull on moon b is greater than on moon a because moon b is closer to the new planet than moon a. the gravitational pull on moon b is greater than on moon a because moon b is farther away from the new planet than moon a. the gravitational pull on moon a is the same as the gravitational pull on moon b because distance does not affect the planet's gravity.
Answers: 1
Which of the following bonds strength ranks in the correct
order?
a H-H< Ca-H< Ca-Ca
a H-H< Ca-H< Ca-Ca
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