zak

This page lists questions and answers that were posted by visitors named zak.

Questions

The following questions were asked by visitors named zak.

what does popular consent mean???

what are three important US domestic politics(domestic events/issues) from the 1990s? I have been searching for the answer, but I keep on only finding foreign politics and not domestic ones and the domestic issues I do find are not from 1990s...someone pl...

hi, I'm having trouble differenciating between direct object pronouns and indirect object pronouns. To say: "bears scare me" is that direct object pronoun? So it would be "los osos me asustan"? To say: "they(bears) scare them" is that still direct obj. pr...

Question: "Plutonium isotope Pu-239 has a half-life of 24,100 years. Suppose that 10 grams of Pu-239 was released in the Chernobyl nuclear accident. How long will it take for the 10 grams to decay to 1 gram?" I know that I am suppose to use y= ye^kt , to...

Hi, I have few problems that I really need help solving. I think I start out right but get messed up along the way and get the wrong answer...Any help is appreciated! thank you so much! find derivative of: 1) y=arctan 2^x 2) arctan(xy)= 1+x^2y Also... 3)...

what conditions drew people to the tigris-euphrates vally

Astronomers believe that the biggest stars in the Galaxy may be a hundred times more massive than the Sun, but are a million times brighter. Would you expect such stars to have longer, shorter or comparable lifetimes to that of the Sun?

sulfuric acid is a strong acid and dissociates in water as shown in reaction H2SO4(aq)=2H^+(aq)+SO4^2-(aq) what is the hydrogen ion concentration, in mol dm^-3,when 1.50g of sulfuric acid is dissolved in water to give 0.500dm^3 of solution ?show all of yo...

how many moles of Na are there in 1.50 moles of NaCl ?

i have some question but i can not post it ,what should i do .help

What amount of current, in amperes, would be required to deposit 19.7 g of Au metal in 1.00 hour from a solution of Au(NO3)3?

in passing theough a wooden block 8cm thick the velocity of a beullet reduces from 700m/s to 300 m/s if the mass of the bullet is 10g find the average resitance to penetrate ?

if 1 and 2/3 cups of flour make 20 pancakes how many will 1 cup of flour make?

what are the magnitude and direction of the force on a charge of + 2x 10^ -7 C that is 0.30m from a charge of -5 x 10^-7 C?

Answers

The following answers were posted by visitors named zak.

Ohhh, I get it!! Thanks so much, you helped me a lot! :)

it is a method of which you use to do scientific projects and stuff. its the order in which you write the information.im not exactly sure of the order though

If 1 mol of ice melts at its melting point of 273 K, the entropy change for the ice is 22.0 J/K. If the ice melts in someone’s hand at 34°C, what is the change in the entropy of the universe? Assume a final temperature for the water of 0°C. The enthalpy o...

What is the entropy change to the surroundings when 1 mol of ice melts in someone’s hand if the hand temperature is 32°C? Assume a final temperature for the water of 0°C. The heat of fusion of ice is 6.01 kJ/mol. a. –188 J/K d. +19.7 J/K b. –22.0 J/K e. +...

KE 1= 1/2*0.002kg*300^2m/s=30 j KE2=0 work Tree=90 j f=ma first find a V2^2-V1^2 = 2AX - 300^2M/s = 2*a*0.05 A=900,000m/sec^2 f = 0.002*9e5 = 1800 newtons so this would be correct @mathmate ?

B C C D A A D B C B you're welcome