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Chemistry
Chemistry
High School
Pick 1 answer, please help!
Chemistry
High School
An experiment was conducted to see which metal pot would be better for cooking food quickly. The table below shows how quickly small pieces of wax melted during the experiment.Type of metal Time for the wax to melt (seconds)Aluminum 27Bronze 45Copper 15Steel 80The following statement was made after the data were examined: Copper pots are the best pots for cooking food quickly. Which term best describes this statement?conclusionhypothesisprocedureresult
Chemistry
High School
I have a Helium party balloon that can hold 3.0 liters of gas. If I blow up this balloon with 0.10 moles of oxygen gas at a pressure of 1.0 atmosphere, what is the temperature of the balloon?
Chemistry
High School
The importance of improving soil usage FULL SENTENCES 50 POINTS HELP PLEASE
Chemistry
High School
How to Convert 0.75g of nitrogen gas (N2) to liters.
Chemistry
High School
Match these items.No links please!Definitions:1. Built the first American A.C. generator.2. Found a relationship between electricity and magnetism.3. Associated with gas and oil.4. First workable electric light bulb. 5. Developed the equations E=mc^26. Provides majority of the energy in the United States.7. Splitting heavy atoms8. Produces plutonium 9. Powered by falling water or stream pressure10. Thin silicon slices11. Using heat from the earthTerm names:a. Oerstedb. Geothermalc. Edisond. Einsteine. Salt domef. Turbineg. Fissionh. Westinghousei. Solar cellsj. Gas and oilk. Breeder
Chemistry
High School
Adi loves the smell of lavender, so she decides to press a few petals of the flower until they release a few drops of oil. She wants to determine the molecular weight of the oily substance to try to identify the fragrance she likes so much. Her lab instructor tells her that her experiment will not work. Why do you think it will not work?
Chemistry
College
How much energy would be released as 95.0 g of acetic acid crystallized?
Chemistry
College
why Bohr's theory was inadequate?
Chemistry
High School
Describe the composition of a molecular compound. What are two major characteristics of molecular compounds?
Chemistry
College
A gas with a volume of 4.0 L at a pressure of 0.9 atm is allowed to expand until the pressure drops to 0.20 atm. What is the new volume?
Chemistry
High School
1. ______is an ion, or molecule that is a proton donor.
Chemistry
High School
Which of the following answers below is the correctly balanced half-reaction for the reduction of the SO4 ^-2 ion in acid solution? The answer is C, but I dont understand why. Thanks in advance :-)
Chemistry
High School
1.9x10^23 atoms of sulfur to grams of sulfur
Chemistry
High School
1. What do gram-formula mass and atomic mass have in common? How are they different?
Chemistry
High School
How many moles of HCl are present in 1.30 L of a 0.50 M solution0.50 moles3.00 molesO 0.65 moles0 1.50 moles
Chemistry
College
1. State how increasing the temperature of a gas changes its volume, assuming pressure is heldconstant.
Chemistry
College
Using 1.8x10-5 for the Ka for acetic acid, along with the weight of sodium acetate and volume of acetic acid used to prepare the buffer, calculate the expected pH of the buffer. Show your work for full credit. How well does it compare to the observed value
Chemistry
College
what is the answer to this question?
Chemistry
College
Most synesthetes are:a.womenb. menC. childrend. artistsPlease select the best answer from the choices provided B.D
Chemistry
College
_____________refers to the soil that is frozen solid all year round, and does not even melt in the summer.Use this website to answer the question: https://thewildclassroom.com/biomes/artictundra-2/Question 5 options:verglasglazepermafrostfrost
Chemistry
High School
Which a balanced chemical equation ? O C 7 H 16 +5O 2 6CO 2 +4H 2 O OB C 7 H 16 +11O 2 7CO 2 +8H 2 O C 7 H 16 +14O 2 7CO 2 +5H 2 O OD . C 7 H 16 +22O 2 14CO 2 +16H 2 O
Chemistry
High School
Do the chemical bonds between atoms change during cellular respiration?
Chemistry
College
What is matter?O A. Anything that can be seen.O B. Anything that can be treasuredO C. Anything that takes up space and has massB. Anything that hasenergy and motion
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