Magnesium reacts with hydrochloric acid as shown by the equation: Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g).

a)What volume of hydrochloric acid of concentration 2 moles/dm3 reacts exactly with 0.1 mole of magnesium?
b)What mass of hydrogen is produced when 0.1 mole of magnesium reacts with excess acid?
c)What volume of hydrogen, at RTP, would be formed if 0.24 g of magnesium reacted with excess acid?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several