Module 1

O que tem nesta roleta (32 opções)

• How many sig figs are there in this number 1.234?
• How many sig figs are there in this number 5.008?
• How many sig figs are there in this number 43.000?
• Write the following number in scientific notation with 3 sig figs: 8,507,200
• What’s the result for the following calculation (use the correct # of sig figs)? 2.34+5004-481.44
• What’s the result for the following calculation (use the correct # of sig figs)? 24.5 * 63.2751
• What’s the prefix name for this SI symbol µ?
• How many microliters are in 1.5 liters?
• How many centimeters are in 7.6 nanometers?
• Convert 180 km/h to m/s:
• If I broke down my mother’s vase of glass while playing football, would the broken glass be a physical or a chemical change?
• After deciding to burn my chemistry homework, would the burning paper be a physical or chemical change?
• My peerleader was making a cake for my birthday, baking the cake is a physical or chemical change?
• Convert 55° C to ° F.
• A new type of bacteria needs to be isolated in temperatures of -220° F. What is the temperature in degrees Celsius?
• How much is -39° C in K (give me 3 sig figs)?
• How much is 77° F in K (give me 5 sig figs)?
• How much is -25° F in K (give me 4 sig figs)?
• Is the boiling point an intensive or extensive property?
• Is luster an intensive or extensive property?
• Is the mass of a bar of gold an intensive or extensive property?
• Is brass a pure substance, homogeneous mixture or heterogeneous mixture?
• Is seawater a pure substance, homogeneous mixture or heterogeneous mixture?
• Perform the following calculation using their according sig fig rules: (0.0593+1.3) * 6.924
• Perform the following calculation using their according sig fig rules: (3.98060 - 13.2)/5.0
• What are our names? Remember to write them correctly!
• What is the workshop percentage towards your final lecture grade?
• What is Alyssa’s major?
• How many siblings does Alyssa have?
• hat is one of the three hobbies Josdell listed in her introductory presentation?
• Is dissolving water and sugar a physical or chemical change?
• Is the mixture of sand and water resulting in a physical or a chemical change?