A reaction takes place in a bomb calorimeter. if the calorimeter decreases in temperature over the course of the reaction, what are the signs of qcal and qrxn?

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In a homogeneous mixture, the soluble ingredient that dissolves is the A. solute. B. colloid. C. solvent. D. solution.

Which of the following has six electrons in its valence shell? oxygen nitrogen sodium neon

During which phase of the moon do spring tides typically occur

G the ksp of calcium hydroxide, ca (oh) 2, is 5.02 * 10-6. calculate the molar solubility of this compound.

What is the element Ar classified as in the periodic table?

Two objects, one heavy and one light, travel at one of two speeds. Which will have the most inertia?

Which statements correctly describe water boiling in a pot? Air bubbles from the atmosphere are being absorbed. The water's internal kinetic energy is increasing. The water is gaining internal potential energy. The water's temperature is increasing.

Biofuel is any fuel that is produced from living or once living matter in a short period of time, days, weeks, or even months.

How are revolution and year related