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Author Archives: Anonymous

Balance C3H8 + O2 → CO2 + H2O using the smallest whole-numbe…

Balance C3H8 + O2 → CO2 + H2O using the smallest whole-number coefficients. Enter the coefficients in order, separated by commas.

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What is the molarity of a solution made by dissolving 5.85 g…

What is the molarity of a solution made by dissolving 5.85 g NaCl in enough water to make 500.0 mL of solution? Use 58.44 g/mol.

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How many formula units are present in 0.250 mol NaCl?

How many formula units are present in 0.250 mol NaCl?

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Complete the nuclear equation: 238/92 U → _____ + 4/2 He. En…

Complete the nuclear equation: 238/92 U → _____ + 4/2 He. Enter the daughter nuclide name or isotope notation.

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Match each reaction with its primary reaction type.

Match each reaction with its primary reaction type.

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The drawing shows a situation in which charges are placed on…

The drawing shows a situation in which charges are placed on the x and y axes. They are all located at the same distance of 45.4 cm from the origin O. Determine the magnitude of the net electric field at point P, where P is also 45.4 cm from the origin.  

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In a region of space, the electric potential decreases unifo…

In a region of space, the electric potential decreases uniformly from east to west, and does not vary in any other direction. The electric field:

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Determine the magnitude of the net force on the 3 μC charge…

Determine the magnitude of the net force on the 3 μC charge shown in the following figure.

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Determine the direction of the net force on the 3 μC charge…

Determine the direction of the net force on the 3 μC charge shown in the following figure.

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What is an electronvolt?

What is an electronvolt?

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