The cooling of a refrigerator happens because of the heat flow towards the cooler object. Therefore, the heat flows into the refrigerant. This is as expected according to what law?

Which are forms of frozen water? Check all that apply. dew frost hail rain sleet

Describe what makes a diamond a mineral

Gases, as opposed to solids, do not have definite volumes. If we decrease the volume of a gas in a closed container, the result is that we increase the gas pressure. The best explanation for this is that decreasing the volume ... Select one: a.

What type of rock does the ocean floor consist of? 1 Igneous basalt rock 2 Igneous granite rock 3 Sedimentary rock 4 Metamorphic rock

Which is true according to the kinetic theory? A. the particles that make up solids do not move. B. all particles of matter are in constant motion. C. all particles of matter move very quickly D the particles that make up gases are densely packed

A molecule has four bonded atoms around a central atom. The central atom does not have any lone pairs of electrons. What is the geometry of the molecule? Bent Linear Trigonal planar Tetrahedral

Using the periodic tables, identify the heaviest member of each of the following groups: (a) alkali metals (b) chalcogens (c) noble gases (d) alkaline earth metals

Select the best answer for the question. 13. Which statement accurately describes the relationship between mass and weight? A. An object with twice the mass of another object will weigh twice as much B.

Which of the following accurately describes carbon atoms? A. When carbon atoms bond to other carbon atoms, they can only form triple bonds. B. Carbon atoms can bond to other carbon atoms. C.

On a separate sheet of paper, write the formulas for each of the following, complete and balance 1. iron + copper (II) sulfate 2. potassium chloride + mercury (I) sulfate 3. sulfur + oxygen