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Ericka

Questions (43)

Which pair of states is most likeley to have a similar climate?Oregón arizona? Virginia and North dokota? Ohio and florida?
1. 1 answer
2. 432 views
What is a lcm
1. 1 answer
2. 426 views
Which is J = 4rb solved for r?a. r = J/4b ** b. r = 4b/J c. r = J - 4b d. r = J/b
1. 6 answers
2. 4,057 views
According to Aristotle , what makes the rich and downtrodden poor rulers?
1. 3 answers
2. 560 views
A student performed an experiment to determine the molecular weight of a gaseous compound.Using the ideal gas law PV = nRT, and
1. 3 answers
2. 973 views
The approximate concentration of a hydrochloric acid solution is 0.5M. The exact concentration of this solution is to be
1. 5 answers
2. 1,767 views
I'm confused regarding the elimination method for5x - 7y = -16, 2x + 8y = 26
1. 4 answers
2. 1,300 views
A rectangular brick measures 6cm by 9cm by 20cm and has a mass of 2.563 kilograms. What is the density of the brick in grams per
1. 2 answers
2. 621 views
What is the motif in "Lightning Thief" ?
1. 5 answers
2. 825 views
What is a motif?
1. 2 answers
2. 628 views
What are some helpful hints or tips about fractions?
1. 1 answer
2. 457 views
Write the following fraction as a numeral: One piece of pie from a pie that is cut into six parts.Please check: 1/6
1. 2 answers
2. 571 views
How do I put this into 2 sentences?up:down heavy:light For example: water:liquid ice:solid Water is a type of liquid. Ice is a
1. 1 answer
2. 510 views
I have to print some pictures about or from the book "Lightning Theif" Does anyone know some pictures? *It cannot be from the
1. 3 answers
2. 702 views
Two balls are drawn from a bag with 4 black balls and 2 white balls. Find th probability distribution got drawing 2 black balls.
1. 2 answers
2. 1,287 views
A surveyor measures the distance between buildings X and Y as 200 feet. The angle of elevation from the base of X to the top of
1. 2 answers
2. 686 views
I need help please I am not understanding what my instructor means by "trace the contextof the question across the entire sweep
1. 2 answers
2. 654 views
"As his power grows, Charlemagne proves himself a mastermind, next to military and civil government."In what ways?
1. 1 answer
2. 447 views
Although most students begin by assuming settled farming life was better than that lived by hunter-gatherers, closer
1. 2 answers
2. 528 views
What is the pressure inside a 33.1 L container holding 109.1 kg of argon gas at 399 K?
1. 2 answers
2. 549 views
A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong.
1. 1 answer
2. 407 views
A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong.
1. 1 answer
2. 426 views
CH4 + 20 2 --> CO2 + 2H2OHow many liters of CO2 would be produced if 32 grams of CH4 are combined with oxygen??? How many grams
1. 1 answer
2. 795 views
If someone's height is six feet and is enlarged to 16.8 inches, what is the scale factor?
1. 4 answers
2. 895 views
A two card hand is dealt from a standard deck. What is the probability of drawing at least one face card?
1. 1 answer
2. 479 views
How many years will it take for $12,000 to grow to $15,000 at 5.75% compounded monthly?
1. 3 answers
2. 516 views
What interest rate, compounded weekly, would you need to be paid in order to grow an $8000 investment into $12,000 over a ten
1. 2 answers
2. 533 views
What interest rate, compounded monthly, would you need to be paid in order to grow a $2000 investment into $3500 over a five
1. 2 answers
2. 573 views
3x^2+11x+5=15?
1. 4 answers
2. 446 views
Flying against the wind, an airplane travels in hours. Flying with the wind, the same plane travels in hours. What is the rate
1. 2 answers
2. 967 views
The Ka of hydrazoic acid (HN3) is 1.9 × 10-5 at 25°C. What is the pH of a 0.35-M aqueous solutionof HN3?
1. 1 answer
2. 1,089 views
Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 × 10-2 hr-1. Ifthe initial
1. 4 answers
2. 4,741 views
10g of Sodium Chloride are dissolved in 200ml of H2O. What is the mass percentage of solute inthis solution?
1. 4 answers
2. 805 views
The body-centered cubic unit cell of a particular crystalline form of silver is 2.2887A on each side. Calculate the density of
1. 1 answer
2. 477 views
A buffer is made by adding 0.300 mol HC2H3O2 and 0.300 mol NaC2H3O2 to enough water to make 1.00 L of solution. The pH of the
1. 3 answers
2. 1,631 views
Given: latent heat of fusion of water 3.33x10^5 J/kg. A 147 g cube of ice at 0 degress C is dropped into 1.3 kg of water that
1. 4 answers
2. 2,743 views
I have to list all of the ions of zinc, the thing is, the only ion I could find was Zn^2+. I've googled "ions of zinc" but this
1. 1 answer
2. 410 views
What is zinc's hardness (high, medium or low) I found the number on a hardness scale, (2) but I have no idea how the scale
1. 2 answers
2. 579 views
24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after
1. 4 answers
2. 1,081 views
24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after
1. 3 answers
2. 552 views
Find the temperature at which the reaction below is spontaneous given this data:Hfo of NH3(g) = - 46 kJ/mol, So of NH3(g) =
1. 2 answers
2. 573 views
If the concentration of Pb2+ is found to be 2.3 x 10-9 mol/L in a saturated solution of Pb3(PO4)2, what is the Ksp of Pb3(PO4)2
1. 9 answers
2. 1,238 views
24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after
1. 2 answers
2. 658 views

Answers (9)

TYSM TOYSONIC YOU SAVED MY GRADES!
TySm Nashi ty to u tht I got a perfect 100% suckers yep anon ur wrong and Nashi is right feel the pain ugly
Brain has 3 basketball cards And 5 baseball cards . What fraction of brain's cards are baseball cards?
I think the answer is 20
All these answers were correct when I used them. I got a 100%! Thank you!
18.63
Ok. What is a motif, though?
Whats wrong with this answer? Ksp = [Pb2+]^3 [PO4]^2 = (2.3E-9)^3 (2/3 * 2.3E-9)^2 = 4/9 * (2.3E-9)^5
Ionization equation for Pb3(PO4)2 is Pb3(PO4)2 --> Pb^2+ + 2PO4^3- Ksp = [Pb^2+][2PO4^3-] Ksp = [2.3 x 10-9 mol][4.6 x 10-9 mol] = 1.1 x 10-16 mol I am stuck

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