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Chemistry
College
I have included an overview of the topics you MUST include in your presentation.Topic Outlines:Biomass (10 points)1. What does Biomass mean? How is Biomass being used today as a substitute for gasoline to run cars, trucks or buses?2. What are some different ways Biomass is being used to heat homes today?3. Name and explain 3 advantages/disadvantages in using Biomass compared to using Fossil Fuels or other alternative energies (specifically include environmental issues that can happen).4. Explain the energy conversions when producing energy with Biomass. (Use the words: Potential Energy and Kinetic Energy).Geothermal (10 point)5. Where does geothermal energy come from?6. How can geothermal energy be used to create electricity?7. How can geothermal energy be used directly to heat homes and factories?8. What is a heat pump?9. Name and explain 3 advantages and disadvantages in using geothermal energy compared to using fossil fuels and other alternative energies. (Specifically include environmental issues that can happen).Hydroelectric (10 points)10. What is a good definition of hydroelectric power?11. How does moving water get turned into electrical energy? Explain each part of the dam from the moving water to production of electricity.12. Name and explain 3 advantages/disadvantages of getting electricity from hydroelectric power and how it compares to using fossil fuels or alternative energies. (specifically include environmental issues that can happen13. Find one example in the U.S. that uses hydroelectric power to create electricity?
Chemistry
High School
How many atoms does O have
Chemistry
High School
an unknown amine reacted with iodomethane and afforded the following tetraalkylammonium salt. what is the structure of the unknown amine?
Chemistry
High School
a solution of glucose in water has a concentration of 0.750 m. how many moles of solute are present in a volume of 352 ml?
Chemistry
College
how to determine if a molecule will be soluble, insoluble, or form a micelle in water? explanation and example please
Chemistry
High School
what is necessary for extraction? group of answer choices two phases in which the solute is equally soluble higher solute solubility in the second phase lower solute solubility in the second phase two phases in which the solute is equally insoluble
Chemistry
High School
if you wrote c6h11o5c6h11o6 as the molecular formula for sucrose, would that be correct? explain your answer.
Chemistry
College
hydrogen sulfide (H2S) burns in the air to produce sulfur dioxide and water according to the equation2H2S + 3O2 --> 2SO2 + 2H2OState the molecular, molar, and mass relationships indicated by equation
Chemistry
High School
For another researcher's data the starting mass of apparatus + solid was 113.249 g. After the reaction was complete the apparatus was reweighed. The resulting mass was 113.276 g. Which of the following could have caused the mass gain?Select all that applyGroup of answer choicesThe apparatus had a gas leak and room air could enter the apparatus.The apparatus picked up extra water droplets between weighingsThey forgot to weigh the mass of the gas-generating solid before the reaction.Matter was created in the reaction.
Chemistry
High School
Select all that applyIdentify the cranial nerves associated with gastrointestinal tract motor output. Select all that apply.vagustrochlearhypoglossalfacialolfactoryglossopharyngeal
Chemistry
High School
The volume of 9.7 moles of an ideal gas at stop will be
Chemistry
High School
when 0.0400 mol koh is added to 1.0 l of a solution that is 0.25 m in nh3 and 0.20 m in nh4no3, the ph increases only slightly. which statement best explains this? g
Chemistry
College
Do you think these portions of the DNA get transcribed? (JUNK DNA) Why or why not?Pls needed answer asap thnku smmm
Chemistry
High School
I NEED HELP ON THIS ASAP!!!Let me know if you need the link to the simulation.
Chemistry
High School
3Ba3(PO4)2 a. What purpose do the parentheses service b. What does the subscript 4 indicate c.What does the subscript 2 indicate d.what does the coefficient indicate
Chemistry
High School
How many moles in 150mL of .65M NaCl?
Chemistry
High School
If 11. 5 grams of chlorine reacts with aluminum,how many grams of aluminum chloride will be formed according to the following reaction 2al+3cl2=2alcl3
Chemistry
High School
an atomic transition produces a photon with a wavelength of 410 nm. what is the energy of this photon in ev?
Chemistry
College
A helium filled balloon had a volume of 30.2 L on the ground at 28C and a pressure of 745 torr. After the balloon was released, it rose to an altitude where the temperature was -8C and the pressure was 495 torr. What was the volume of the gas in the balloon at this altitude?
Chemistry
High School
select the ester that is formed when propanoic acid reacts with isopropyl alcohol in the presence of heat and an acid catalyst.
Chemistry
High School
the radioactive isotope 11c has a half life of 20.334 minutes. radioactive decay is a first order process. calculate the % of reactant that remains after 58.6 minutes of reaction.
Chemistry
High School
I need help with this image below will be much appreciated
Chemistry
High School
as electrons are passed down an electron transport system, choose one: a. h2o is produced. b. the electrons are also pumped across a membrane. c. protons are pumped across a membrane. d. nadh is produced.
Chemistry
High School
how many grams of the excess reactant remain assuming the reaction goes to completion and that you start with 15.5 g of na2s and 12.1 g cuso4?
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