How much does a gold bar wiegh and how much is it wotrth

In which of these layers does hot material move upwards and cool material sink downwards? Layer A Layer B Layer C Layer D

What is the ph of the solution prepared by dissolving 0.927 mol hcl in enough water to make a 150 l aqueous solution?

What is a material that attracts iron or materials containing iron

Of the reactions below, which one is a double-replacement reaction? A. NH4Cl - > NH3 + HCl B. 2 Mg + O2 - > 2 MgO C. 2 N2 + 3 H2 - > 2 NH3 D. Cd (NO3) 2 + Na2S - > CdS + 2 NaNO3

What is the total number of atoms in CaCO3

Identify the property of magma that causes it to be forced upward towards earth's surface.

Classify each of these compounds as a Brønsted-Lowry acid, a Brønsted-Lowry base, or neither. Drag each item to the appropriate bin. are these a Brønsted-Lowry acid or a Brønsted-Lowry base H2SO4, HNO2, (CH3) 3N, C3H7NH2, HF, NH3, NaBr, CCl4

If you dissolve sugar into water in a small jar, will the result be a mixture, a solution or both? Explain.

Convert the following energy units. 635 kJ to J

What is the element K2SO4 and is it ionic, covalent or polyatomic