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Bio Lab emergency
Emergency study aka cramming
| Question | Answer |
|---|---|
| What file format should you use to save and submit your Lab Assignment for grading in Canvas? Select all that apply. | |
| How many micrograms are in 0.23 mg? | 230 |
| How microliters in 1.13 mL? | 1,130 |
| An empty weight boat has a mass of 1.6 grams. When stained liquid is added to the graduated cylinder, it has a mass of 20 grams. What is the mass of the stained liquid? | 20.0g |
| Graph Mas - Volume.jpg Calculate the density of an object using the graph [1 cm3 = 1 mL] | 2.7 |
| A woman has a body mass of 61.3 kg. What is her mass in grams? | 61300.00 |
| What is the density of a substance that has a mass of 8.41 g and a volume of 10 mL? | 0.841 g/mL |
| What file format(s) should you use to save and submit your Lab Report for grading in Canvas? Select all that apply. | docx |
| How many liters in 1340 mL? | 1.34 |
| What are the parts of a lab report? | Title Page, Abstract, Introduction, Materials and Methods, Results, Tables Figures/Pictures, Discussion and Conclusions, & Literature Cited |
| How many microliters in 1.340 mL? | 1,340 |
| Mass of an apple is 102 g. Calculate its weight if g ≈ 9.8 m/s2 | 1.00 |
| Students should be always on time and be prepared for that day's experiments. Phones must be turned off and personal needs should be taken care of before class begins. | False |
| The purpose of the lab report is to organize and communicate your research | True |
| How many micrograms in 0.250 g? | 250,000 |
| To make-up a missed lab or a quiz students should notify their lab instructor in writing before the next lab session. | False. Students should contact their lab instructor in writing within 24 hours of the missing class/quiz to learn if a make-up lab/quiz can be set up. |
| To make sure that all the necessary papers were turned in and all tests were taken on time students should request such information from their lab instructor in writing. | False. It is students’ responsibility to make sure that all the necessary papers were turned in, and all tests were taken on time. |
| The purpose of the lab report is _____________________________ | to organize and communicate your research |
| How many grams in 24.75 kg? | 24,750 |
| If the density of a liquid 1.02 g/cm3, how many milligrams will be in 63 mL of that liquid? | 64,260 |
| How many milliliters in 1.87 L? | 1,870 |
| How do you convert milliliters to microliters? | 1 mL = 1000 microL |
| Calculate the density of gasoline using the graph [1 cm3 = 1 mL]Gasoline.gif | 0.735 |
| You cannot answer a call or text message in class. To not to interfere with class procedures you should leave the room to answer or make a call. | False |
| You cannot copy and paste phrases, pictures, or graphs previously published by other people without referencing it appropriately, unless it is your own previously published or submitted elsewhere work. | False. You have to properly reference your previously published/submitted work as well. |
| All grading concerns must be submitted in writing within a week of receiving the graded work. | True |
| Students should be in the lab earlier and be prepared for that day's experiments. Phones must be turned off and personal needs should be taken care of before class begins. | True |
| A base is defined as a substance that removes hydrogen ions from a solution, or adds hydroxide ions to the solution, which will then remove hydrogen ions from the solution by making water. | True |
| Physical or Chemical change? Mixing oil and vinegar - | Physical |
| Some of the physical changes include evaporation, condensation, melting, freezing, sublimation, and dissolving in solution. | True |
| What is the volume of a liquid in the graduated cylinder pictured? | 21.5 mL |
| A salt is any compound that is formed as a result of adding an acid to a base. | True |
| pH is the measure of the molar concentration of hydroxide ions in a solution | False |
| Transformation of Aluminum in a Copper (II) Chloride solution → Physical Change | False |
| In a completely neutral solution, the number of hydronium ions is equal to the number of hydroxide ions. | True |
| Water freezes at _____ degrees Celsius. | 0 |
| A pH indicator is any chemical compound that changes color in response to a change in pH. | True |
| Chemical changes, which generally involve the energy forms of heat, light, or electricity, occur as a direct result of the breaking or making of chemical bonds between atoms, molecules, and compounds. | True |
| If concentration of H+ ions is greater than the concentration of OH- ions the solution is acidic. | True |
| When first entering a science room, what should you do with the equipment that is found on your table? | Do not touch it until you are told to do so. |
| Water boils at _____ degrees Celsius. | 100 |
| A dip in the water level inside of a graduated cylinder is called a______. | meniscus |
| Sodium Chloride in water → Physical Change | True |
| Volume can be expressed in what unit(s) of measure? (Choose all that apply) | Liters, Microliters, Cubic centimeters (cm^3) |
| A fish is able to move up and down in sea water by | Altering its density |
| Physical or Chemical change? The Statue of Liberty turning green - | Chemical |
| An acid is defined as any substance that adds hydrogen (hydronium) ions to a solution. | True |
| Which lists metric units, in order from smallest to largest? | microgram, milligram, gram |
| Physical or Chemical change? Inflating a soccer ball - | Physical |
| When number of hydronium ions in a water solution is equal to the number of hydroxide ions the solution is neutral and pH value is 7. | True |
| An object will float in a liquid if it is | less dense than the liquid |
| While not altering properties of a substance, a physical change does involve an exchange of electrons. | False |
| Mass of an apple is 204 g. Calculate its weight if g ≈ 9.8 m/s2 The value 9.8 m/s2 is the average acceleration of a falling object due to the force of gravity on Earth. | 1,999.2 |
Created by:
Cocoalover