08/06/18

What is an apprenticeship
What is an apprenticeship
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08/06/18

what is the first step in making a scientific investigation
Im SO FAMOUS
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08/05/18

separation of micture
If you are given a bowl containing a mixtures of 10 gram salt, 90 gram sand and 5 grams of iron filings. How would you proceed to separate the components of the mixture? Design an experiment and... more
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08/04/18

If 6.0X10^20 molecules of H2O are formed, how many molecules of O2 are reacted?
Express to 2 sig figs. Express is proper scientific notation. You can not write superscripts so format you numbers as follows: 1.0E4 or 1.0X10^4.
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08/03/18

Plz check the description
When HCl------> H+ + Cl- in aqueous medium, So, if we use ionization potential of H we get that the absorption of enery is 13.6 eV and a total of 3.8 eV is released according to electron... more
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08/03/18

How do I extract ovalbumin from egg whites?
I'm looking for an easy to follow procedure (no jargon preferred)
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08/02/18

If 1gm of gold price is 2955rs than what would be the price of 0.319gm gold
I am right now in preparation of my exam in this exam questions comes from mathematics also so anyone answer?
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08/02/18

what is the consequence of hydrogen bond between water and ammonia?
For example, the hydrogen bond in water gives it many properties like making it less dense. What could be the consequence of hydrogen bonding between ammonia and water or other compound like... more
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08/01/18

iron oxide reacts with aluminum to give aluminum oxide and iron what kind of chemical reaction is this
iron oxide reacts with aluminum to give aluminum oxide and iron what kind of chemical reaction is this
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08/01/18

1.48 g H2 is allowed to react with 10.0 g N2, producing 1.83 g NH3.
1.48 g H2 is allowed to react with 10.0 g N2, producing 1.83 g NH3.   Part AWhat is the theoretical yield in grams for this reaction under the given conditions?Express your answer to three... more
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08/01/18

can yo help me ni chemistry?
what is covalent bond? how ammonia formed ../  
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08/01/18

how many milliliters of 0.05M HCl is required to neutralize 1.0g of NaOH?
how many milliliters of 0.05M HCl is required to neutralize 1.0g of NaOH?
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07/31/18

split room fees
I booked a hotel for a total of 7 nights at $1778. 3 people are staying all 7 nights. 2 additional people will be staying only 5 nights. What are the totals for each person?
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07/31/18

Is music knowledge must for learning a guitar?
I have no idea what are the notes and all but I want to learn guitar.So do i have to have basic music knowledge to learn a guitar?
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07/31/18

Perimeter of a blanket is 210 inches. Width is 25 inches less than length. Find Length and width
find the length and width 
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07/31/18

What [Ag+] is needed to begin precipitating Ag2SO4 (s) from a .0073 M SO4^-2 solution?
What [Ag+] is needed to begin precipitating Ag2SO4 (s) from a .0073 M SO4^-2 solution? Ksp of Ag2SO4 = 1.6 x 10^-5
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07/31/18

Daisy is cooking pasta.
Daisy is cooking pasta.the recipe says she needs 480 grams of pasta for 4 people .how many kilogtam will she need for 14.
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07/30/18

Write the equilibrium equation and Kf expression for the formation of:
Write the equilibrium equation and Kf expression for the formation of: a. [AlF6]^-3 b. [Zn(CN)4]^-2 2. Suppose the following data are for the reaction: A==== Products. [A] Initial Rate 6 12 30 ?... more
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07/30/18

Calculate the rate constant K.
Consider the following data for first order reaction: Z = Products Time:                    [Z]: 0 s                          1.0000 M 900 s                      .5231 M 3000 s                ... more
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07/28/18

For a reaction , delta H = -40kJ and delta S = -50 J/K. At what temperature range ll it change from spontaneous to non spontaneous ?
a) 0.8 K to 1K b) 799 K to 800 K c) 800 K to 801 K d) 799 K to 801 K
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07/27/18

what is the mass of antacid by name sodiumtrioxocarbonate 4 in milligrams
in an experiment i did i got the mass of ant acid to be 20miiiligram
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07/27/18

will ethyl alcohol (used in hand sanitizer) show up on a urine test at work ?
 ethyl alcohol i believe, is the same alcohol as in whiskey etc. ..i don't want to be mistaken for an alcoholic at work. i just like to be fairly germ free..
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07/27/18

Please help me answer this question
Calculate the wavelength for an x-ray photon with a frequency of 3.0 x 1019 Hz. Don't forget to include the correct unit. Hint: The speed of light is 3.0 x 108 m/s.
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07/27/18

Dobutamine 1,000 mg in 250 mL D5W at 10 mcg/kg/min on IV pump. Patient weighs 95 kg. How many mL/hour should the patient receive?
i need formula and answer for this question please
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07/27/18

Convert 6.5kg pounds and ounces
conversion ratio: 1lb = 16oz and 1kg= 2.2lb round to the nearest 10
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