Chemical Reactions
Name this reaction
C3H8+5O2 ----> 3CO2+4H2O
Combustion Reaction
How many significant figures does this number have
640cm3
2
What is the Boyle's Law Equation
P1V1=P2V2
Solid aluminum metal reacts with aqueous zinc chloride to produce solid zinc metal and aqueous aluminum chloride
2Al + 3ZnCl2 ----> 3Zn + 2AlCl3
What is the Lewis structure for ethene, C2H4.
Carbon double bonded to Carbon and two hydrogen bonded to each carbon.
Solve this Synthesis Reaction
2Mg + O2
2MgO
How would 7000 be written if there was 6 significant figures
7000.00
This law can mathematically expressed as this
P=kT or P/T=k
Gay-Lussac's Law
Write the word formula for
Mg + 2HCL ---> MgCl2 + H2
Solid magnesium and aqueous hydrochloric acid react to produce aqueous magnesium chloride and hydrogen gas
Draw the Lewis structure for water?
O in the middle with two on the bottom and top. The Hydrogen on both sides with a line to show the bonds.
Solve this single displacement reaction
2Al+3Pb(NO3)2
3Pb+2Al(NO3)3
How many significant figures does 0.0050830
5 significant figures
Boyle's Law, Charles Law and Gay-Lussac's law can be put together into a single expression that is useful in such situations
Combined Gas Law
balance this equation
KI + Cl2 ----> KCl + I2
4KI + 2Cl2 -----> 4KCl +2I2
Draw the Lewis Structure for Ammonium
N in the middle with four Hydrogen around with bonds to each.
Solve this double displacement reaction
2KL+Pb(NO3)2
PbI2+2KNO3
A clock gains .020 second per minute. How many seconds will the clock gain in exactly six months, assuming exactly 30 days per month?
5184 seconds
What pressure in atmospheres is exerted by 0.325 mol of hydrogen gas in a 4.08 L container at 35 degrees Celsius
2.01 atm
Balance this equation
(NH4)2SO4 + AgNO3 ----> NH4NO3 +Ag2SO4
(NH4)2SO4 + 2AgNO3 ----> 2NH4NO3 + Ag2SO4
What is the Lewis Structure for CH3I
C in the middle with 2 dots on each side
H on top, Bottom and left side
I on right side with 2 dots on each of the four sides
Solve this double displacement reaction
Na2S+2HCl
2NaCl +H2S
Polycarbonate plastic has a density of 1.2g/cm3. A photoframe is constructed from two 3.0mm sheets of polycarbonate. Each sheet measures 28cm by 22cm. What is the mass of the photo frame?
440 grams
L*mmHg/mol*K
62.4
Write the word equation and the formula for this
Aqueous nitric acid reacts with solid magnesium hydroxide to produce aqueous magnesium nitrate and water
nitric acid + magnesium hydroxide ---> magnesium nitrate + water
2HNO3 + Mg(OH)2 ----> Mg(NO3)2 + 2H2O
Draw the Lewis Structure for Methanal, CH2O.
C in the Middle with a double bond to Oxygen and two lone pairs on the top and bottom of the Oxygen. On the Carbon there are two hydrogen bonded on the top and the left.