LEVEL 1 (RED)
How many milliliters are in 2 liters of soda? (1 L = 1000mL)
2000 mL
Who is older: a 35-year-old mom or someone 420 months old? (1 year = 12 months)
Same age!
How many moles are in 180 grams of glucose (C₆H₁₂O₆)?
1 mole
A car travels 120 km in 2 hours. What is its speed in m/s?
16.67 m/s
A machine fills bottles at a rate of 1.5 L/min. How many mL does it fill in 2 hours?
180,000 mL
Convert 1500 meters to kilometers ( km = 1000m)
1.5 km
Convert 3.5 hours to seconds.
12,600 seconds
Convert 3 moles of NaCl to grams.
175.32 grams
In the reaction 2H₂ + O₂ → 2H₂O, how many grams of water are produced from 4 moles of H₂?
72.08 g H₂O
You are making a 0.75 M NaCl solution. How many grams of NaCl are needed for 500 mL?
21.915 g NaCl
A pencil is 8 inches long. How many centimeters is that? (1 in = 2.54 cm)
20.32 cm
How many centimeters are in 3.2 yards?
292.6 cm
How many molecules are in 2.5 moles of water?
1.506 × 10²⁴ molecules
Which object has more momentum: 700 kg car at 20 m/s or 400 kg motorcycle at 35 m/s?
Motorcycle
A spacecraft travels 2.4 × 10⁶ meters in 8 minutes. What is its velocity in km/h?
18,000 km/h
How many seconds are in 3 minutes?
180 secconds
Which is longer: 2 kilometers or 1.5 miles?
1.5 miles is longer.
Which sample has more atoms: 1 mole of oxygen gas (O₂) or 1 mole of helium gas (He)?
Helium (He)
Convert a density of 2.7 g/cm³ to kg/m³.
2,700 kg/m³
How many atoms are in 15 g of carbon?
7.52 × 10²³ atoms
Is 1,200 grams heavier or lighter than 1.2 kilograms? (1 kg = 1,000 g)
Same weight :1200 g
Convert 4.5 gallons to milliliters.
17,032.5 mL
How many liters of gas are in 0.75 moles at STP?
16.8 liters
A train moves 150 miles in 3 hours. What is its speed in km/h?
80.45 km/h
How many liters of H₂ gas are produced from 10 g of Mg reacting with HCl?
9.2 L H₂