02/09/20

How many σ bonds and π bonds exist in the molecule?
How many σ bonds and π bonds exist in the molecule: C6H7HO ?
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02/06/20

What volume is occupied by 2.719 x 10to the 13th power moles of methane gas, CH4?
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02/05/20

What is the value of DeltaG if DeltaH= +12.0 kJ, DeltaS= -5.00 kJ/K and T = 290K?
Tell whether this reaction is spontaneous partial answer: 1XXX
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02/04/20

DeltaH= -196.0 kJ/mol, DeltaS=125.9 J/mol •k and T is 25°C
2H2O2(l) = 2H2O(l) + O2(g)spontaneous yes or no
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02/03/20

The volume of a sample of gas is measured as 4907.3 cm 3 . Convert the volume to cubic meters.
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02/03/20

You just competed in a track meet and you ran the 1500 m race in 413 s. What was your average speed in miles per hour?
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02/03/20

A scientist triples the temperature of a gas at constant pressure. By what factor does the gas’s volume change?

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02/03/20

Gavin, Sarah and Pip share £136 in a ratio 3:2:3. How much money does each person get?
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02/02/20

Testifying in court is an example of which scientific process in forensic science?

experiment hypothesis data collection communication
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02/01/20

reducer math question
To mix paint it requires 3 parts hardener to 7 parts paint. How many ounces of hardener are needed (round to the nearest tenth) to create 18 ounces of this mixture?
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01/25/20

Solve bx – cx = 7 for x. Group of answer choices x = 7(b – c) 1a.bmp 1b.bmp 1c.bmp
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01/25/20

Math assistance
Two trains leave towns 366 miles apart at the same time and travel toward each other. One train travels 17 mih slower than the other. If they meet in 2 hours, what is the rate of each train?
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01/24/20

Can genes related to your sleep change?

Does shifting your sleep change Genes like PER3, DEC2 and other sleep related genes, for instance there have been studies that show that humans are able to shift their sleep to a later time like... more
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01/22/20

What is the difference between Potassium-39 and Potassium-41?
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01/21/20

The mass of a single potassium atom is 6.50×10-23 grams. How many potassium atoms would there be in a sample of potassium with a volume of 190 cm3 if the density of potassium is 0.856 g/cm3?
I need help answering this question for chemistry. How to solve it and the answer.
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01/21/20

Electric current analogy
What is a good analogy for there flow of an electric current? (Something other than the flow of water) and please include the potential(voltage), current, and resistance.
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01/21/20

Le Chatelier's Principle
Please explain what happens when NaNO3 is added to a saturated CuCl2 aq solution. The CuCl2 solution is blue and then turned a very dark green black when the NaNO3 was added. I understand there... more
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01/21/20

In the space below, write a description of the connection between molecules and traits and reproduction.
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01/19/20

Evaluate the fraction
(6.58 x 10^5) / (6.30 x 10^7)(3.75 x 10^5)I keep getting 3916.7 but apparently it's incorrect! Please help me understand!
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01/19/20

One component of a metal sculpture consists of a solid cube with an edge of length 35.1 cm. The alloy used to make the cube has a density of 6910 kg / m3. Find the cube's mass.
Please help me understand this question!
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01/19/20

A sample of vegetable oil with density 921 kg/m3 is found to have a mass of 44.1 g. Find the volume of this sample.
Please help me understand this question! You'll forever have my gratitude!
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01/18/20

This is an algebra question
If Paul's average speed is 5 km per hour, how long would it take Paul to walk 6.25 km?
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01/18/20

Explain how you can prepare 75% Ethanol
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01/17/20

convert between metric units
converting between metric unitskilograms grams milligrams14.4 ? ?? 86.2 ?? ? 57.3
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01/17/20

On the moon the acceleration of gravity is 1.6m/s2. What does a 73 kg space suit weigh? (Answer to the nearest hundredth)
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