03/11/19

I need help on unit rate

If you prepared 12 liters of juice in 2 hours, how many liters of juice will you have in 5 hours?
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03/11/19

How would the elements be effected if H2 were to be a compound? Wouldn't then all the elements be affected ?
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03/11/19

Organic Chemistry
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03/11/19

How can dissolved materials be moved from the outside to the inside of a cell when the inside concentration of the material is higher than the outside concentration?
a. Molecules can be moved into a cell against their concentration gradient if that transport is coupled with osmotic transport of water into the cell.b. Substances can be moved against a... more
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03/10/19

Net Ionic Equations !
what is the net ionic equation for 3Mg+Fe(NO3)2= Fe+3Mg(NO3)2
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03/10/19

Algebra Word problems! Help please
The distance the distance to your brother's house is 481 miles and the distance to Disneyland is 518 miles if it took 13 hours to drive to your brother's house how long would it take to drive to... more
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03/10/19

Of the following, which forms a neutral solution? Assume all acids and bases are combined in stoichiometrically equivalent amounts.
Of the following, which forms a neutral solution? Assume all acids and bases are combined in stoichiometrically equivalent... more
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03/10/19

The pH of a 0.033 M solution of base B is found to be 11.65. What is the Kb of the base? The equation described by the Kb value is shown below.

The pH of a 0.033 M solution of base B is found to be 11.65. What is the Kb of the base? The equation described by the Kb value is shown below. B(aq)+H2O(l)⇄BH+(aq)+OH−(aq)
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03/10/19

What is the reaction of paraffin wax and lead (II) nitrate solution? Does such a reaction exist? If so, what does it physically look like?

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03/10/19

what are the valencies of all the elements in the transition books .
I JUST WANT TO KNOW THE VALENCIES OF TH ELEMENTS FROM THE 3rd GROUP TO THE 12th GROUP IN PERIODIC TABLE. PLEASE HELP ME OUT
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03/09/19

This is Chemistry. The equation for the reaction of copper and nitric acid
The equation for the reaction of copper and dilute nitric acid is:3Cu + 8 HNO3 yields 3 CU(no3)2 + 2 NO + 4 H20. What volume (in mL) of a nitric acid solution which contains 27.0% HNO3 by mass and... more
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03/09/19

Saline hypertonic/hypotonic/isotonic question
A nurse attaches an IV to a patient that provides a saline solution that is 5% sodium chloride and 5% potassium phosphate and contains no other solutes. If the total solute concentration of a red... more
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03/09/19

Which of the following atoms can participate in hydrogen bonds?
a. carbonb. oxygenc. nitrogend. b and ce. all of the above
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03/09/19

Sorting Metals using Standard Reduction Cell Potential
The ScenarioA new chemistry teacher arrives in her new room and discovers that the room was left in total chaos by her predecessor. While organizing the room, she finds a box on a shelf in the prep... more
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03/09/19

Electrolysis Equation
How long does it take to generate 1.00 kilograms of aluminum by the reaction below with a current of 20 amps?Al3+ + 3e- → Al(s)
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03/09/19

Phospholipid Bilayer Question
Question: At the start of an experiment, a phospholipid-bilayer membrane that contains the glucose transporter (GLUT-1) but no other proteins separates a 1-liter solution of 1M NaCl (on the right)... more
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03/09/19

If the pH of a solution is 10 and the concentration of protons is increased 10 fold by the addition of acid what is the new concentration of protons?
a. 10^-10 Mb. 10^-11 Mc. 10^-9 Md. 1 Me. none of the above
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03/09/19

If you disrupt all hydrogen bonds in a protein what level of structure will be preserved?
a. tertiaryb. secondaryc. primaryd. quaternarye. all of the above
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03/09/19

What bonds must be destroyed for an RNA chain to be broken down into its monomeric nucleotides?
A. Phosphodiester bondsB. Covalent bondsC. Hydrogen bondsD. A and Be. A, B, and C
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03/08/19

What forms with Iron (II) Iodide + Cadmium Nitrate? Is it a precipitate?
The Ionic and Net-Ionic would be very helpful :)
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03/08/19

A garden table and a bench cost $898 combined. The garden table costs $48 more than the bench. What is the cost of the bench?
A garden table and a bench cost $898 combined. The garden table costs $48 more than the bench. What is the cost of the bench?
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03/07/19

What mass of Br2 is needed to react with 27 g of aluminum? 2Al + 3Br2 → 2AlBr3
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03/07/19

Specific Heat of Aluminum and Percent Error Question

In the lab ,Maddie Grace found that the specific heat of aluminum was 0.789 Joules per gram degree celsius. Theoretically the specific heat should be 0.900. What was her percent error? *
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03/07/19

Specific Heat of Metal
A 32.4g piece of metal at 100 degrees celsius was placed in 50mL of water at 23 degrees celsius. The final temperature was 30 degrees celsius. What is the specific heat of the metal?
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03/07/19

i need help with my pharmacy homework
1.   RX: HIV Treatment RegimenAbacavir 300mg iii PO BID Lexiva 700mg one PO QAM and two PO QPMRaltegravir 100mg iv PO QIDTruvada one PO TID Abacavir is only available in 100... more
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