4,365 Answered Questions for the topic Science
Neutralization - Chemistry Help :(
If 250mL of 5.0 M HCl needs to be neutralized, what volume of 10 M NaOH must be used?I think it is 200mL or 250mL but I am not sure.50 mL of 0.1 M HNO3 is mixed with 32 mL of KOH. What is the...
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Science
05/11/20
When genes have changes called mutations, different proteins are being made that can change structure and function in beneficial, neutral, or even harmful ways.
Is it true or false? I have no idea and I've had this question for weeks now
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05/08/20
Math Problem- Spinner
A spinner is broken into 4 equal sections of red, blue, yellow, and white. I spin the spinner 26 times and I get red 12 times, blue 3 times, yellow 8 times and white 2 times. Place the correct...
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Science Physics
05/08/20
Consider the following table of Object Fluid Displaced (ml)
Object Fluid Displaced (ml)1 3.77 2 11.313 7.974 8.25 5.946 2.78
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Science Physics
05/08/20
A cube of metal weighs 99.98 N and measures 0.18 m on each side. What is the density of the metal in kg/m^3? Round your answer to the nearest whole number.
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Science Physics
05/08/20
If the dimensions of a block of wood are length = 7 m, width = 17 cm, and height = 999 mm, can you find the buoyant force on the block when the density is 507 kg/m^3 ?
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Science Physics
05/08/20
A sphere of metal weighs 287.7 N in air. When placed in water, its weight is 71.8 N. What is the buoyant force? Using significant figures report your answer to 1 decimal place.
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05/08/20
A block of wood is 10 m long, 63 cm wide, and 100 mm high. Can you find the block's mass when the density is 443 kg/m^3 ?
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Science
05/08/20
Does heat flow from hot to cold substances
What kind of substances does heat flow from. Hot to ColdCold to HotHot to HotCold to ColdI have to pick one of those answers
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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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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...
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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.
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...
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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...
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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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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 +...
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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...
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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...
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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...
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