Q a boy has a newly minted penny that is composed of zinc

Reference no: EM13371894

Q. a boy has a newly minted penny that is composed of zinc and copper in actual composition it contains 2.7 percent of Cu ; determine the density of this newly minted penny if densities of zinc and copper 7.14 and 8.72 g/cm3?

Q. consider the given chemical equation when Aluminum sulfide(Al2S3) reacts with water(H2O) to form aluminum hydroxide(Al(OH)3 and hydrogen sulfide(H2S) as ( Al2S3 (aq) + 6 H2O (l) -----> 2 Al(OH)3 (s) + 3 H2S (g)..Now determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide?

Reference no: EM13371894

Questions Cloud

Assume that an escape velocity is 50 ms for an asteroid x : assume that an escape velocity is 50 ms for an asteroid x but we also have asteroid y that has twice the radius and

1calculate the final pressure in atm while using a sample : 1.calculate the final pressure in atm while using a sample of helium gas that was initially at 785 torr 37.0degc and

1it is noted that pure ethanol ch3ch2oh has density 080625 : 1.it is noted that pure ethanol ch3ch2oh has density 0.80625 gcmsup3 at 0.0deg c and density of 0.78945 gcm sup3 at

1if the methane ch4 contained in 200 l of a saturated : 1.if the methane ch4 contained in 2.00 l of a saturated solution at temperature of 25 degree celsius was extracted and

Q a boy has a newly minted penny that is composed of zinc : q. a boy has a newly minted penny that is composed of zinc and copper in actual composition it contains 2.7 percent of

1it is noted that an iron nail was with the 12gms mass : 1.it is noted that an iron nail was with the 12gms mass absorbs heat of 15 joule you need to calculate the final

There are some given compounds ch3br rbf ch3oh co2arrange : there are some given compounds ch3br rbf ch3oh co2arrange all these compounds in order of increasing boiling points and

1write down the electron configuration of the b ion using : 1.write down the electron configuration of the b ion using the noble gas core notation?2.what you will expect for the

1given that nickelii perchlorate that is a polyatomic ion : 1.given that nickelii perchlorate that is a polyatomic ion with the formula clo41- dissolving in water first of all

User Account

All Pages