Chemistry

The balanced reaction is this:

(NH4)CO3 + Ag2SO4 ---> Ag2CO3 + (NH4)2SO4

To solve this:

1) convert the 10.0 grams of (NH4)CO3 into moles (see Related Questions)

2) determine the stoichiometry of the reaction to determine how many moles of Ag2CO3 are produced (see Related Questions)

3) because there is an excess of Ag2SO4 , the number of moles of (NH4)CO3 will determine the number of moles of Ag2CO3

4) convert the number of moles of Ag2CO3 into grams (see Related Questions)

0.25 grams of isotope will remain.

The leader of a minority party is called the minority leader (House Minority Leader and Senate Minority Leader). The whip(in the majority or minority party) is the leader's deputy who serves as the assistant floor leader. The party's whip has the job of watching how the party members vote on bills, persuading the members to vote as the party wishes, and seeing that the members of that particular party are present on the floor to vote.

According to the 2005 FDA Food Code, the soup should be cooled from 140°F to 70°F within 2 hours. The cooling from 70°F to 41°F should be within an additional 4 hours.

You should be proactive about cooling the soup. Place the soup in shallow containers, no deeper than 3 inches, stir occasionally to aid cooling. Or place the pot of soup in an ice bath and stir the soup to distribute the cold. Or add ice to the soup itself (cook it thicker).

f(x)=2X-2

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Break down the question to parts that are easier to do. Since you are trying to find 30% of 1250, let's figure out what is 10% of 1250 and multiply the answer by 3. (1250 x 0.10) x 3 = 125 x 3 = 375. So, 30% of 1250 is 375.
30% of 1250 is 375

30 years old.

The term length for a US House of Representatives member is two years.

Na3PO4 • 12 H2O (s) ----> Na3PO4 (s) + 12 H2O (g)

There are two parts to the Legislative Branch, they are Senate and House of Representatives. In the House of Representatives the leader is always from the majority party. In the House of Representatives the leader is called the Speaker of the House. In the Senate, from the majority party, their leader is called the President Pro-tem.

To find 75 percent of a number, multiply the number by 0.75. In this instance, 0.75 x 1070 = 802.5. Therefore, 75 percent of 1070 is equal to 802.5.

Deposit 4776.06

The frequency of compounding does not matter since the annual interest rate is given.

If you mean 1.48 x 1024 molecules, just divide by 6.022 x 1023

= 2.46 moles

510 g Al2S3 is equal to 3,396 moles.

0,135 grams of HNO3 is equal to 0,002 moles.

7,68 grams of calcium nitride is equal to 0,052 moles.

Na3PO4 ==> 3Na^+ + PO4^3-
Note 1 mole Na3PO4 produces 3 moles Na^+
moles Na3PO4 needed = 0.900 mol/L x 0.525 L x 1 mol/3 mol Na = 0.1575 moles
mass Na3PO4 = 0.1575 moles Na3PO4 x 164 g/mol = 25.83 grams = 25.8 g (3 sig figs)

2,5 moles of silver is equal to 269,6705 g.