MATH Part I
Nuclear Chemistry
Organic Chemistry
Gas Laws
Table Questions
100

Calculate the gram formula mass of NH4Cl.

53g/mol

100

What is the mass, symbol, and charge of an alpha particle

a, mass of 4u, positive charge 

100

Provide a molecular formula for an alkene

answers may vary 

100

Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?


(1)  There are attractive forces between the particles.

(2)  The particles move in circular paths.

(3)  The collisions between the particles reduce the total energy of the gas.

(4)  The volume of the gas particles is negligible compared with the total volume of the gas.


(4)  The volume of the gas particles is negligible compared with the total volume of the gas.

100

Is AgSO4 a soluble compound?

NO

200

A 2400gram sample of an aqueous solution contains 0.012gram of NH3. What is the concentration of NH3 in the solution, expressed as parts per million?

5ppm

200

What is a transmutation?

When the nucleus of an atom decays and the element changes into a different element with a different # of protons (element/nucleus transforms into a different element)

200
Esterification is when an organic acid and alcohol produce what products (think back to the scent lab)?

an ester and water 

200

Under which conditions of pressure and temperature is a real gas most like an ideal gas? 

(1) low pressure and low temperature 

(2) low pressure and high temperature 

(3) high pressure and low temperature 

(4) high pressure and high temperature


2. low pressure and high temperature 

200

58g of NaCl is added to 2L of water. What is the molarity?

0.5M

300

One sample of a green vegetable contains 0.0035gram of boron. Determine the total number of moles of boron in this sample. 

0.00032 moles 

300

Complete this nuclear equation

24Na  -->    0e     +    __________

11             -1   

24Mg

12

300

Draw the structural formula for propyne. 

Will draw on the board. 

300

Which two gas samples contain equal numbers of atoms (all at 100kPa)

(1) helium and neon 

(2) helium and argon 

(3) neon and argon 

(4) neon and krypton


(2) helium and argon

300

Name two metals more easily oxidized than Sr.

answers may vary. 

400

What is the percent composition of H in (NH4)2SO4?

6.0% 

400

After 3 half lives, 12.5 grams of an original sample remains unchanged. What is the mass of the original sample?

100g. 

400

Draw two isomers of 1-heptene 

answers may vary 

400

What is the boiling point of ethanol at STP?

78C

400

What. is the mass of KNO3(s) that must dissolve in 100 grams of water to form a saturated solution at 50C?

84grams. (82-86 will be acceptable)

500

Balance the follow equation

Al(s) + CuSO4(aq) --> Al2(SO4)3(aq) + Cu(s)

2,3,1,3

500
Determine the total time required for an 80.0gram sample of I-131 to decay until only 1.25 grams of the sample remains unchanged. 

48.126 days 

500

Draw the structural formula for a molecule with one chlorine and three carbons. Then name the organic molecule. 

will draw and name on the board. 

500

A 220.0mL sample of helium gas is in a cylinder with a movable piston at 105kPa and 275K. The piston is pushed in until the sample has a volume of 95mL. The new temperature of the gas is 310K. What is the new pressure of the sample?

274kPa. 

500

30mL of 0.6M Hal solution is neutralized by 90mL of NaOH solution. What's the concentration of the base?

0.2M

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