Organic Chemistry
what is an alkyne
carbon-carbon chain with one or more triple bonds
What is a mixture?
contains two or more elements or compounds
can be separated into their components by physical separation techniques
Which length is shorter:
a) 1cm
b) 10mm
They are the same
Where are the transition metals located on the periodic table?
rows 3-12
Is atmospheric pressure higher or lower at high altitudes?
Lower, there is less air above you
What is the functional group of propanal?
Aldehyde
Describe the difference between homogeneous and heterogeneous mixtures
homogeneous- components evenly distributed
heterogeneous- components unevenly distributed
Convert 5,000 g into kg
5 kg
What is an ionic compound?
a bond between a metal and nonmetal, transferring electrons
Argon gas is cooled from 120 degrees celsius to 52 degrees celsius. The original volume of argon was 122L. Find the new volume in L
100 L
expanded structure of butanamine
on board
Complete this equation: Calcium Chloride dissolves in water
CaCl2 + H2O --->
Ca +2 (aq) + Cl -1(aq)
how many milliliters are there in 75.6 microliters
0.0756 mL
One cup of almonds has 20 grams of protein, 15 grams of fat, and 30 grams of carbs. Calculate the total calories
335 total calories
A boy with pneumonia has lungs with a volume of 1.9 L that fill with 0.08 moles of air when he inhales. When he exhales, his lung volume decreases to 1.5 L. How many moles of gas remain in his lungs after he exhales?
0.06 moles
condensed structure of 2-octanone
on board
Give the definition for both Concentration and Dilute
Concentration- the amount of solute in a given volume or mass of solution
Dilute- solutions containing less solute
As an alternative to ear tags and lip tattoos, tetracycline (an antibiotic) is used to mark polar bears. If 25 mg/kg is an effective dose, how much tetracycline (in grams) is needed to mark a 1,000 kg polar bear?
25 g
During exhalation, the pressure of air in the lungs:
increase or decrease
increases
What is the volume (L) occupied by 6.00 grams CH4 at 0.70 atm and 241K?
10.6 L
Expanded structure of ethanoic acid
on board
A solution is prepared by dissolving 0.15 g of NaCl in enough water to give a total volume of 275 mL. What is the concentration of this solution in % m/v?
0.055%
Ampicillin, an antibiotic, is prescribed for a child weighing 63.0 lbs at a dosage of 20.0 mg per kilogram of bodyweight per day, in four equally divided doses. How many milligrams should be given at each administration?
142.75 mg
Al(OH)3 is an Antacid. What is the correct molar mass of aluminum hydroxide?
a) 78.00
b) 77.00
c) 43.99
d) 43.00
a) 78.00
You fill a balloon with air inside your house and then you carry the balloon outside to your car on a freezing winter day. What will happen to the volume of the balloon after several hours outside? Explain using the appropriate gas law.
Temperature and volume have a direct relationship, meaning since the temperature of the balloon is decreasing so will the volume. Charles law