4,347 Answered Questions for the topic Science

Science Chemistry Algebra

05/07/20

How to I calculate the final temperature of aluminum in water with the mass and temperature of both substances?
A 1.00kg piece of aluminum metal at 90.0°C is placed in 4.00 kg of water at 25.0°C. Determine the final temperature.What equation do I use?
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Science Math Mathematics

05/07/20

What percentage of the Gulf of Mexico was directly affected by the oil spill?
The Gulf of Mexico is 617,800 square miles. The Deepwater Horizon oil spill affected about 68,000 square miles. What percentage of the Gulf of Mexico was directly affected by the oil spill?
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05/07/20

Math Question Probability

A bag contains 8 red, 6 white, and 10 blue marbles. One of these marbles is to be selected at random from the bag. Complete the table below to show each theoretical probability of picking a... more
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05/07/20

Calculate the number of ATPs generated by completely oxidizing one molecule of tripalmitoylglycerol into CO2 and H2O in muscle tissues.
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Science Biology

05/06/20

What does a cell’s chromosomes contain?
This is a science question. the choices are: genes, chlorophyll, sperm, and eggs.
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Science

05/04/20

Jacob has a small horn. If he connects the horn to the open circuit, what happens?
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Science Chemistry

05/04/20

Question in the description, can you please explain how you got the answer, thank you
How many grams of water can be produced with 60 grams of sulfuric acid and 200 grams of sodium hydroxide? Which reactant is limiting? How many grams of the excess reactant will be left after... more
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Science Chemistry

05/04/20

Question in the description, can you please explain how you got the answer, thank you
What is the greatest amount of water in grams that can be produced 215 grams of heptane (C7H16) and 87 grams of oxygen gas? Which reactant is limiting? How many grams of the excess reactant... more
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Science Physics

05/03/20

Explain how Jet Streams are different from global winds?
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Science

05/02/20

do Vaccines contain weak or dead organisms that trigger the body’s immune response, usually without causing illness?
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05/01/20

Ball Being Dropped
At time t=0 a ball is dropped from a height of 100 feet. One second later, another ball is dropped from the height of 75 feet. The position of the ball is given by the formula: s(t) = -16t^2 +... more
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Science Chemistry

05/01/20

Question in the description, can you please explain how you got the answer, thank you
What is the greatest amount of sodium chloride in moles that can be made with 13 grams copper II chloride and 15 grams sodium nitrate? Which reactant is limiting? How many moles of the excess... more
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05/01/20

what is motion? class 9
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Science Chemistry

05/01/20

Question in the description, can you please explain how you got the answer, thank you
How many grams of water are formed when 45 moles of sulfuric acid react with 50 moles of sodium hydroxide? Which reactant is limiting? How many moles of the excess reactant will be left after the... more
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05/01/20

Find the first and second derivatives of M with respect to X
 M = 9X4 - 12 X 9 + 25 X Y Z + 50
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Science

04/30/20

Science Helping

The moon (rotates, orbits, gravitates, latitude) on its axis. The moon (rotates, latitudes, orbits) around the Earth due to (axis, latitude, revolution, gravity) and its speed of motion. I need to... more
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04/30/20

Biology Dilution Calculation

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Science Biology Chemistry

04/30/20

Biology Calculation
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Science Chemistry

04/30/20

Question in the description, can you please explain how you got the answer, thank you
How many moles of sodium sulfate are formed when 13.2 moles of sulfuric acid reacts with 30.6 moles of sodium hydroxide? Which reactant is limiting? How many moles of the excess reactant will... more
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Science Chemistry

04/30/20

Question in the description, can you please explain how you got the answer, thank you
What is the greatest amount of copper IV nitrate in moles that can be made with 24.3 mol copper II chloride and 20.9 mol sodium nitrate? Which reactant is limiting? How many moles of the... more
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Science Chemistry

04/29/20

Replace one word to make it true
An excess reagent is completely consumed in a chemical reaction
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Science

04/29/20

what is the identity of a sample that has a volume of 3.26cm3 and a mass of 28.5g
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Science

04/29/20

the equation for anaerobic respiration?
7th grade science problem
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Science Chemistry

04/29/20

The statement is false and replace one word to make it true
The limiting reagent is used to calculate the actual yield.
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Science Social Studies

04/29/20

Elephants travel
Elephants travel a __________ mile loop during their yearly migration.   a 200  b 300  c 400  d 500
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