gen.science

33,265 results

science..HGD!

OK So we r learning about HGD AND THE body parts and crap.So how do u do the box thing when you are determinig the color of the eyes or hair. Like the phenotype.... and ya... How do u do that?? http://www.athro.com/evo/gen/punexam.html Thanks man.

Gen 105

Gen 105 wk 2 using the proper tone

science

If a single gen controls the mutant trait, how will you determine the dominant and the recessive expression of the gene?

Gen Science 2

lightning is actually an enormous display of the concept of? A) chemical heating B) solar energy C) magnetism D) groundind

Chemistry

Ok, so in my gen chem 1 class, the teacher showed us that ethanol would not dissolve a sugar cube while water dissolves a sugar cube easily. No explanation was given, she just told us we would find out in gen chem 2. Here i am in gen chem 2, and the same thing is shown to us ...

science-gen chem

if 0.969 g of CaCl2 is mixed with 1.111 g of KlO3 how many grams of solid Ca(IO3)2 can theoretically be made? CaCl2(aq) + 2KlO3(aq) ===> 2Kcl(aq) + Ca(lO3)2 (s)

gen.science

A compound containing 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide and water. Which chemical or element will have the largest number of moecules?

GEN.

WHAT is BACKground?

College Gen. Chemistry - Science

You have 120.0 mL of a 0.245 M solution of NaCl in an open beaker. After several days, you test the solution and find that it now has a concentration of 0.348 M. How much water must have evaporated from the beaker given the new concentration?

gen chem

calculate [H+] if [OH] is 1.688x10^-3

GEN 200

what does mapping mean

Gen 499

Underage drinking

Gen Chem

What is the number of nucleons in 236-U2+?

gen 105

setting and achieving goals

gen 105

managing time wisely

Gen Chem

If Q=.61259, what is the formula to convert to pQ? Is it pQ=lnQ?

gen 105

using axia educational resources

gen 105

fostering reading comperhension and retention

gen 105

applying personality and learning styles

gen chemistry

does RbI form an ionic solid?

Gen Chemistry

What is the coordination number of the Fe atom in K3[Fe(C2O4)3]? is it 6?

Gen cmehistry

is [Ag(NH3)2]+ [Mn(CN)6]3- [CrCl3(H2O)3] are any of these colorless?

Gen cmehistry

is [Ag(NH3)2]+ [Mn(CN)6]3- [CrCl3(H2O)3] are any of these colorless?

Gen Chem

what is the formula weight for CuSO4 5H2O?

gen chemistry

Which type of bonding does Sr form upon solidification?

Gen Chemistry

[Ag(NH3)2]+ is a colorless complex ion right?

Gen Chemistry

[Ag(NH3)2]+ is a colorless complex ion right?

Gen Chem

Can the rate of a nuclear reaction be changed by an increase of temperature?

Gen/200

How does individual diversity and conflict management relate to teamwork?

GEN

need 2 good references on AAE = The Association of American Educators

Gen chemistry

What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45?

gen 300

Summarize the author's ideas on goals and objective, empowerment, and trust.

gen

Help please.. need 150 words A. How core values of organizations are determined

gen chemistry

final volume obtained when a 1.5M KOH solution is dilued to 1.25M

gen chemistry

calculate the percent m/v concentration of a 5L solution containing 500g NaCl

gen

do you think this is nonagist our new district attorney is making a speech on saturday.

Gen Chem II

How many mL of 0.0875 M H2SO4 would you need to exactly neutralize 50.00 mL of 0.135 M NaOH?

gen chemistry

Which of the following compounds has the highest boiling point? HI H2Te H2O AsH3

Gen 105

Having trouble finding a site to intrapersonal and musical intell. is there asite

Gen. Chemistry

What is the original molarity of a solution of weak acid whose Ka= 3.5 x 10^ -5 and pH is 5.20... I'm lost, please help!

GEN 105

• Describe how each practice activity reinforced or contradicted something about yourself

Gen. Chemistry

How do I "determine the mass percent of H2O in the hydrate Cr(NO3)3 * 9H2O to 3 significant figures"?

Gen Chem

n = 6 and E° = 0.011v for a redox reaction with Q = 7.03 x 10-1. Calculate E. Assume T = 298.15K. How do I set this equation up?

gen education

identify three different personality types and develop a strategy for effective communication

Gen.Chem2

what mass(g) of NH3 must be dissolved in 475g of methanol to make a 0.25m solution

Gen Chem

Predict products and balance equations for the reactants shown. Pb 2+(aq) + H2PO4 1-(aq)--->? Pb 2+(aq) + HPO4 2-(aq)--->? Pb 2+(aq) + PO4 3-(aq)---->?

Biology

what was mendel's scientific methodlogy? http://www.biopoint.com/engaging/MENDEL/MENDEL.HTM Kind of a summary of methods here: (Broken Link Removed) A more extensive description here: http://mac122.icu.ac.jp/gen-ed/mendel.html

Gen Chem

What is n, the number of moles of electrons transferred, in the following reaction? 2 MnO4-(aq) + 16 H+(aq) + 10 Cl-(aq) ===> 2 Mn2+(aq) + 5 Cl2(g) + 8 H2O(l).

gen 105

what are some ways in which you may make use of web- based information and guard against plagiarism.

gen chem

what is the concentration of an aqueous solution when you add 9.58x10^-4 moles of copper nitrate to 42ml of water

gen chem II

At what temperature does the average speed of an oxygen molecule equal that of an airplane moving at 560 mph?

Gen 499

Examine the influences of social connections and technology and civic engagement in academic and professional pursuits.

gen chem

what must be the current in amperes to plate out 7.437g of Al from am aqueous solution of Al3+ in 5.4x10^2 minutes?

gen chem

what is the pK (=-logK)at 25C for the reaction below? Cl2(g)+6H2O(l)+5Cu2+(aq)<-->2ClO3-(aq)+12H+(aq)+5Cu(s) E0=-1.133V

gen hem

what is the free energy change in kJ for the reaction below? 2NO3-(aq)+8H+(aq)+3Hg(l) <-->2NO(g)+4H2O(l)+3Hg2+(aq) E0=0.106V

Gen chem 2

calculate the work performed if a balloon contracts from11.75 L to 806 mL due to an external pressure of 3.9 atm.

gen chem

use the rydberg equation to calculate the wavelength in A of the photon absorbed when a hydrogen atom undergoes a transition from n=7 to n=9

Gen Chem

Barium has a radius of 224 pm and crystallizes in a body-centered cubic structure. What is the edge length of the unit cell?

Gen 105

How can you use study techniques recommended for your personality type and strongest intelligence(s)to function best in distance learning enviroment

Gen Chemistry

What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below? Al(s)|Al3+(aq)||Ni2+(aq)|Ni(s)

gen chem

what would Qc be if the pressure of the container decreased by a factor of 2.417 for the following reaction? 4Hcl(g)+O2(g)<-->2Cl2(g)+2H2O(g) Kc=13.298 @ 753K

gen physics II

If a doubly-ionized oxygen atom (O–2) is accelerated from rest by going through a potential difference of 20 V, what will be the change in its kinetic energy?

Chem

H2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + 2HNO3(aq) overall heat gen by reaction answer is supposed to be -659.3 but I keep coming up with something else.

gen chemistry

I need help please?? Calculate the empirical formula for a compound composed of 13.27g Carbon and 70.9g sulfur. I got C1S2. Is this correct?

social studies

Please correct me if I'm wrong....Of the Union generals covered in the course through 1863, who do you consider the worst ? I say ...Gen. George B. McClellan ?

Gen Chem

epsom salts, household ammonia, and rubbing alcohol are also consumer chemicals that could be used in this experiment. what are the chemical formulas for these substances?

Gen. Chem 1

The density of 18% nh4cl is 1.05 grams/ml. What mass of nh4cl is in 425 ml of the solution?

Gen cmehistry

Calculate the hydroxide ion concentration in an aqueous solution that contains 3.50 x 10-3 M in hydronium ion.

gen chem

What mass of Fe3O4 would be needed to react with 1.38 x 103 mol H2? Fe3O4 + 4 H2 -> 3 Fe + 4 H2O

gen chem

if the voltage of the cell is 2.0898V at 25C when [Mg2+] = 0.1945M and the pressure of H2 = 1.00atm, what is the pH? E0=2.3700V Mg(s)+2H+(aq)<--> Mg2+(aq)+ H2(g)

Gen.Chem. 111

what happens when HCl is added to CoCl2*6H20? and what happens when you add AgNO3 to the product?

Gen English

In the poem Dreams by Langston Hughes, Describe how the poem is structerd,or arranged in lines and stannnzas.

WILL SOMEONE PLEASE HELP ME!!!!!!!!!

A cross between true breeding tall red flowered plants and true breeding short white flowered plants. Tall and red are dominant traits. What would be the expected ratios of phenotypes in the f1 and f2 generations? what is the exoected ohenityouc ratui if F2 ganeration if red ...

Gen Chem

Consider a cell based on the following reaction: GeO(s) + H2O(l) + 2 Ag+(aq) ===> GeO2(s) + 2 H+(aq) + 2 Ag(s) If [Ag+] = 1 M, at 25°C, would it be..... pH = 2 ( E° - E ) / 0.059159 V. or pH = ( E° - E ) / 0.059159 V.

gen chemistry

How mucn 0.6 M barium chloride solution would be needed to completely react with 150mL of a 1.4 M sodium solution

gen chem

At 2273K, equilibrium constant for the reaction 2NO(g)<->N2(g)+O2(g) Kc=2.4x10^3 What would be equilibrim concentration of N2, if initial concentration of NO was 0.1160M?

Gen Chem

What are the net ionic equations for: 1. Potassium Fluoride and Ammonium Chloride and 2. Sodium Hydrogen Sulfite and Potassium Cyanide?

Gen English

Ok im still confused in the poem dreams by langston hughes describe how the poem is structured, or arranged in lines and stanzas.

Gen Chemistry

i got the moles of Ca3(PO4)2=0.01275549 but how do i covert that to moles of CaCl2? using the stoichiometric ratio which is 1:1 or am i doing something wrong

Gen Chem 2

How many equivalence points would be visible for a solution of 1.0M sulfurous acid titration. Is it just two because in H2SO3 there are two H+ ions?

Gen Chem2

What would the two half reactions look like for Sr(s) reacting with excess 1M H4NHCO3. I really do not understand. It says that a precipitate and a flammable gas are among the products.

gen 105

How Do You Create A Table That Lays Out A Day-by-day Plan To Use As A Job Aid For Employment Search, Spanning 3 Weeks?

Gen Chemestry

How many pounds of carbon dioxide are produced from burning one gallon of gasoline? assume gasoline is 100%, and the density of octane is .78g/ml.

gen.chememistry

a students weighs 1o quaters and finds that their total mass is 56.63 grams . what should she report as the average mass of a quarter based on her data

Gen 105

I need to know how to create a table that lays out a day-by-day plan to use as a job aid for an employment search, spanning 3 weeks

gen studies

identify the advantages and disadvantages of organizational structure. how it affects day to day operation of managing a counseling center for domestic abuse victims

gen chem 2

In the chemical kinetics experiment, determine the dilution of the stock bleach solution. The bleach used will be around 5.5% (weight/volume). Convert this to molarity

gen physics

(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 8.02 m/s when going down a slope for 4.28 s? (b) How far does the skier travel in this time?

gen physics

An iron (ĉ = 7860 kg/m3) cube measuring 15.4 cm on a side is suspended from a wire. Find the tension in the wire when the block is completely submerged in water (ĉ = 1000 kg/m3).

Gen Chem

In an experiment I used .139 grams of an Alka Selzter table. A question asks us to determine the amount of CO2 dissolved in 5.10ml of 6M HCl. How do you go about solving such a problem?

science(chem)

Concerning TLC plates... 1. why should't I allow the solvent to reach the top of the plate? (I assume it's the same as using paper like I did in gen chem but I'm not sure I know why it shouldn't be allowed to reach the top... what would happen?) 2. why sholdn't the spot sample...

Gen. Chemistry

A 0.887 g sample of a mixture of NaCl and KCl is dissolved in water and the solution is treated with an excess of AgNO3 producing 1.822 g of AgCl. What is the percent by mass of each component in the mixture?

Gen Chem II

A gas-forming reaction produces 1.60 m3 of gas against a constant pressure of 127.0 kPa. Calculate the work done by the gas in joules. Please explain. Thanks!

college gen chem

A quantity of 16.13 mL of a KOH solution is needed to neutralize 0.4883 g of KHP. What is the concentration (in molarity) of the KOH solution?

GEN CHEM

A solution of CaCl2 is prepared by dissolving 1.004 g of the solid in approximately 30 mL of water. How many moles of CaCl2 does this solution contain?

gen chem

The recommended dosage of iodine-131 is uCi/kg of body weight. How many microcuries of iodine-131 are needed for a patient with the hyperthyroidism?

Gen Chem

Consider the following reaction, A <===> B in a 1.00L container. At 1.77°C, the molar concentrations of A and B, respectively, 5.838M and 3.945M. Suddenly, 8.744 moles of A are added to the system. What is the change in DG of the system. Give the answer in kJ?

Gen Chem

Consider the following reaction, A <===> B in a 1.00L container. At 1.77°C, the molar concentrations of A and B, respectively, 5.838M and 3.945M. Suddenly, 8.744 moles of A are added to the system. What is the change in DG of the system? Give the answer in kJ?

gen chem

A nuclear reaction, such as the transmutation of uranium-238 to a stable isotope lead-206, involves exothermic and endothermic processes. In this reaction, is there any physical and chemical changes involved?

gen chem

What is the boiling point in K of Zn, if the entropy change for evaporation of .8564 mole at its boiling ponit is 95.067K? The heat of vaporization of Zn is 131jk/mole.

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