10/27/23

Write down the equation of the line that is parallel to x + 2y = 4 and passes through the point (0, 5)
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04/03/23

What is the change in enthalpy when 1.50 moles of H2 are reacted with an excess O₂ of according to the following balanced chemical reaction: 2H₂(g)+O₂(g)→2H₂O(l) ∆H=-572 kj
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03/15/23

Chemistry 11 grade

A helium filed balloon has pressure of 101kPa and a temperature of 23C. It is placed in a freezer where the temperature is 0C. If the volume of the ballo0n remains constant, what is the new... more
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10/11/21

What is the mass in grams of 4.86 x 1023 atoms of vanadium (V)?
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