A sample of sugar (C12H22O11) contains

1.505 * 1023 molecules of sugar. How many moles of sugar are present in the sample? Answer without doing any calculations.

0.25 mol

0.50 mol

1.00 mol

2.50 mol

List three possible results of a double replacement reaction

Mass movement is caused by

The group of politicians known as the "Redeemers" had the main goal of A. reforming the election process in the South. B. regaining power in Congress for the South. C. battling widespread political corruption in the North. D.

4. How does the kinetic theory of gases explain the weather changes happening in the troposphere? You can also research on the Internet using keywords such as troposphere, atmospheric layers, and weather changes.

Heating a solid substance often causes it to A) condense B) freeze C) evaporate D) dissolve E) melt

Explain why a sidewalk has built-in cracks every few feet?

How many periods does the periodic table have? 7 18 9 8

Which one is correct A. It allowed them to escape B. It allowed them to chase down C. It allowed them to reach food D. All of these

A 20.0 mL sample of hydrochloric acid was neutralized with 58.4 mL of 0.250 M NaOH, in a titration. a. Write the balanced chemical equation for the reaction, b. What is the concentration of the hydrochloric acid?

Magnesium and calcium have similar chemical properties because a magnesium atom and a calcium atom have the same (1) atomic number (2) mass number (3) total number of electron shells (4) total number of valence electrons