Homework Answers Page 10676

• How did Dalton Atomic Theory explain the law of definite proportions?

  $10.00

  Chemistry

  Waiting for answer

• What are the defining characteristics of the Precambrian time?

  $10.00

  Science

  Waiting for answer

• How does vapor pressure related to intermolecular forces?

  $10.00

  Chemistry

  Waiting for answer

• A beam of light has a wavelength of 506 nanometers. What is the frequency of the light? What color is the light?

  $10.00

  Science

  Waiting for answer

• What is the sum of the first 500 odd numbers?

  $10.00

  Algebra

  Waiting for answer

• How many grams of lithium nitrate will be needed to make 250 grams of lithium sulfate, assuming that you have an adequate amount of lead (IV) sulfate to do the reaction? Pb(SO4)2 + 4 LiNO3  Pb(NO3)4 + 2 Li2SO4

  $10.00

  Chemistry

  Waiting for answer

• What is the definition of osmosis in terms of solute concentration?

  $10.00

  Biology

  Waiting for answer

• Why are fossils rare in precambrian rocks?

  $10.00

  Science

  Waiting for answer

• What was the Pendleton Civil Service Act?

  $10.00

  History

  Waiting for answer

• What are the 3 cell cycle "checkpoints?"

  $10.00

  Biology

  Waiting for answer

• If ethanol has a density of .785 g/mL, what is the volume of 83.3 g of ethanol?

  $10.00

  Chemistry

  Waiting for answer

• What is pus? Is it just white blood cells?

  $10.00

  Psychology

  Waiting for answer

• Lead(II) chromate, PbCrO4, is a yellow paint pigment (called chrome yellow) prepared by a precipitation reaction . In a preparation, 45.6 g of lead(II) chromate is obtained as a precipitate. How many moles of PbCrO4?

  $10.00

  Chemistry

  Waiting for answer

• How does Shakespeare characterize the witches in Macbeth? What is their thematic significance?

  $10.00

  English

  Waiting for answer

• How to calculate the mass ratio of zinc to iodine in zinc iodide ?

  $10.00

  Chemistry

  Waiting for answer

• What di you mean by hemolytic fission and heterolytic fission?

  $10.00

  Chemistry

  Waiting for answer

• How can I calculate the percent composition of water in a hydrate?

  $10.00

  Chemistry

  Waiting for answer

• Creatine phosphate functions in the muscle cell by?

  $10.00

  Biology

  Waiting for answer

• What are the similarities and differences between prokaryotic and eukaryotic genomes?

  $10.00

  Biology

  Waiting for answer

• When balancing a chemical equation, why can you change coefficients, but not subscripts?

  $10.00

  Chemistry

  Waiting for answer

• How does heat capacity affect living organisms?

  $10.00

  Chemistry

  Waiting for answer

• How do you determine if ##f(x,y)=-x^3+3x^2y^2-2y^2## is homogeneous and what would it's degree be?

  $10.00

  Calculus

  Waiting for answer

• A pen costs $.59. How much would a dozen pens cost?

  $10.00

  Algebra

  Waiting for answer

• What is the the role of atp and nadph in the calvin cycle?

  $10.00

  Biology

  Waiting for answer

• What is a hyperbole in the poem, "The Highwayman"?

  $10.00

  English

  Waiting for answer

• How do you find the Slope of the curve ##y=sqrt(x)## at the point where ##x=4##?

  $10.00

  Calculus

  Waiting for answer

• What is the chemical formula and molar mass for water?

  $10.00

  Chemistry

  Waiting for answer

• How do you simplify 3/5 divided by 2?

  $10.00

  Algebra

  Waiting for answer

• Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. How many grams of calcium hydride are needed to form 8.5 grams of hydrogen?

  $10.00

  Chemistry

  Waiting for answer

• Your teacher has mixed salt, pepper, and water. What is a procedure that you could use to separate this mixture?

  $10.00

  Chemistry

  Waiting for answer

• How did the Allies overcome the German U-boats and win the Battle of the Atlantic?

  $10.00

  History

  Waiting for answer

• Combustion reactions always result in the formation of water. What other types of chemical reaction may result in the formation of water? What are some examples of these reactions?

  $10.00

  Chemistry

  Waiting for answer

• Find the value of cos theta/1-sin theta + cos theta/1+sin theta=4?

  $10.00

  Geometry

  Waiting for answer

• In the polyatomic ion, CrO4 -2, what is the charge on the chromium atom?

  $10.00

  Chemistry

  Waiting for answer

• Put mercury(II) oxide in a vacuum bottle and let it decompose at 500 °C. This equilibrium takes place: ##"2HgO(crystal)" ⇌ "2Hg(vapor)" + "O"_2("g")##. What is ##ΔG## for the reaction at 500 °C?

  $10.00

  Chemistry

  Waiting for answer

• What is the formula of aluminum carbonate?

  $10.00

  Chemistry

  Waiting for answer

• What is diction? What some examples of it? I wrote a persuasive essay in my AP class, and my teacher wrote DICTION! everywhere.

  $10.00

  English

  Waiting for answer

• How do you convery cal to Joules? i.e. 444 cal to joules

  $10.00

  Chemistry

  Waiting for answer

• What is the long definition of rotational motion? What are the other types of motion?

  $10.00

  Physics

  Waiting for answer

• What are the E and Z isomers of cinnamic acid?

  $10.00

  Chemistry

  Waiting for answer

• A potassium ion has a charge of 1+. A sulfide ion has a charge of 2- .Wha tis the chemical formula for potassium sulfide?

  $10.00

  Chemistry

  Waiting for answer

• How does chemical weathering differ from mechanical weathering?

  $10.00

  Science

  Waiting for answer

• What pressure (in torr) is exerted by 10.0 g of O2 in a 2.50 L container at a temperature of 27 degree C?

  $10.00

  Chemistry

  Waiting for answer

• 1-liter 10x stock solution of SDS-running buffer is made. The 10x solution has 1%(w/v) concentration of SDS(MW288.8). What is the molarity of the SDS in 1x running buffer? the 10x stock is made at a concentration that is 10 times that of the concentration

  $10.00

  Chemistry

  Waiting for answer

• What does the "C" in the specific heat formula represent?

  $10.00

  Chemistry

  Waiting for answer

• A desk measures 42 inches long. How many meters is that?

  $10.00

  Physics

  Waiting for answer

• Suppose three nucleotides are inserted into a gene. Will this insertion mutation cause a frameshift mutation?

  $10.00

  Biology

  Waiting for answer

• What rule is used to join the free nucleotides to the exposed bases of the DNA?

  $10.00

  Biology

  Waiting for answer

• How does your calculated empirical formula (Mg3O2) of magnesium oxide compare with the known formula of magnesium oxide?

  $10.00

  Chemistry

  Waiting for answer

• What is 98,464 rounded to the nearest ten thousand?

  $10.00

  Algebra

  Waiting for answer