How many milliliters of a 3.0 M HCl solution are required to make 250.0 milliliters of 1.2 M HCl?

A certain rock contains 71% orthopyroxene, 20% olivine and 8% clinopyroxene. Name this rock and describe it's provenance.

What type of wave contains compression and rarefaction

Which causes the medium to vibrate in a direction parallel to

Which statement is true with respect to standard reduction potentials? SRP values that are greater than zero always represent a reduction reaction. SRP values that are less than zero always represent a reduction reaction.

What type of energy is radiometer

Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g) When combining zinc metal with hydrochloric acid, you notice that you run out of zinc and still have plenty of hydrochloric acid to continue the reaction. What is the term used to describe the zinc?

Engineers increase output in crop production by combining the strengths of two plants. This can be done by using one plant to pollinate a different plant so that their strengths are combined into a new plant. What is this technique called?

Using the first volume and temperature reading on the table as V1 and T1, solve for the unknown values in the table below. Remember to use the rules of significant figures when entering your numeric response. A: B: C: D: A 2-column table with 5 rows.

Which scientist performed the cathode ray experiment leading to the discovery of electrons

Why does the temperature remain constant during melting till all the ice has melted?