Wednesday
July 23, 2014

Posts by pat


Total # Posts: 645

Math
-731/2 - 86 =?

Algebra 1
Solve variable in terms of the remaining variables A = P(l + rt) for r

Chemistry
because the mass varies from penny to penny just like the different isotopes of elements

Chem 2
A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according to the following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 K2CO3 -> K2O + CO2 The KCL does not reacnder the conditions of the reaction. If ...

math
.5 times .03???? just multiply them

math
let me see the problem

Chemistry 2
A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 2CO3 -> K2O + CO2 The KCL does not reacnder the conditions of the reaction. If 100.0g o...

Philosophy
developer of an effective cosmological argument

algebra
How do I solve this problem? (4x + 2)(x-3)=0 Set 4x+2 = 0 and solve for x. set x-3 = 0 and solve for x. You will have two answers for x.

Math
Evaluate [-7] - [-8] -7-(-8) = -7+8=+1 Always remember that a ( + and + gives us + ) and a ( - and - gives us + ) and a + and - gives us - Always when subtracting or adding take the sign of the biggest number which will be the sign of your answer , and work out if it is a + or...

Biology
what volume of air might you exchange in a minute?a)while resting b) during exercise http://www.arb.ca.gov/research/resnotes/notes/94-11.htm http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=how+much+air+do+we+breathe&as_oq=&as_eq=&lr=&as_ft=i&as_filety...

English
I want to know all symbols in this lyric and the meaning of "on the eve of my defeat" It's for my presentation Is anybody listening? Can they hear me when I call? I'm shooting signals in the air 'Cause I need somebody's help I can't make it on my ...

News Coverage-Please Help!
The presence of round-the-clock television news coverage and instantaneous Internet analyses often prevents a president from: 1. consulting with cabinet members and other top advisors before making decisions. 2. engaging in prolonged consideration of an issue before issuing a ...

History
Please help. Literacy tests worked to dany the right to vote to African Americans primarily because a.. all white voters had higher literacy rates. b. the tests were only required in Southern States. c, African Americans were asked questions that were more difficult than those...

History 2 questions
Please help if you can. 1. The idea that the people have the right to abolish an abusive and unresponsive government was FIRST formally expressed by Americans in the a. Constitution b. Petition of Right c. Declaration of Rights d. Declaration of Independence I think it's b...

History
Which of the following was formally amended to the constitution a. equality of rights for women b. prohibition of alcoholic beverages c. prohibition of child labor d. balanced federal budget I know that the 19th amendment is woman suffrage, but the 18th amendment is the prohib...

U.S. Government
When facing the threat that a country might be developing chemical and biological weapons of mass destruction for use by terrorists groups, a libertarian would most likely: A. oppose any military action by the U.S. because libertarians are pacifists. B. oppose any military act...

U.S. Government
A traditional conservative would most likely oppose a federal law to: 1. encourage free and fair trade in competitive markets. 2. promote family values 3. preserve law and order and enforce private business contracts 4. require businesses to make contributions to charitable or...

History again
I just need to check if I am right. Thank you. All of the following influenced the Framers in developing the Constitution EXCEPT a. State constitutions b. John Locke's "Two Treatises of Government" c. Virginia's royal charter d. British tradition I am almost ...

History
I need help because I want to make certain I am right. The United States Constitution reserves to the States all powers not delegated to Congress or denied to the States, meaning that the States a. hold almost no power b. have little responsibility to the Federal Government c....

History
I am not sure of this answer. Please help. The main reason that States hold many important powers is that the a. Framers distrusted a strong central government. b. Constitution does not grant many States' rights. c. Constitution describes a unitary state. d. States have ac...

SCIENCE
Which currents are cold and which are warm? North Equatorial current, Equatorial counter current, South equatorial current, Peru current, Florida current, Guinea current, and Falkland current. I have found out 11 others but not these. http://ioc.unesco.org/oceanteacher/OceanTe...

PHYSICS HELP
If the external world does work on the system, the quantity of work is negative or positive? I said it was positive and Bob Pursley said I was right, but a Physics student said that it is negative. Please help if you can..

PHYSICS HELP
I am having a real problem with this question. Through the process of doing work, energy can move between the external world and the system as the result of forces or work. I say it's forces, but someone else says it's work because only work and energy can be inerchang...

PHYSICS HELP
Draw an arrow in the box that shows the direction of the force. Please help. I want to be sure. W > 0 W = 0 W < 0 ___ ____ ____ ___ ____ ____ d-> d-> d->

PHYSICS HELP
Thank you, Bob. If the system does work on the external world, the energy of the system remains the same. Is this true or false? False. THe total energy in the system has decreased.

PHYSICS HELP
If the external world does work on the system, the energy of the system increases , decreases or remains the same? I think it increases. Am I correct? The system increases. Yes, you are correct.

PHYSICS HELP
If the external world does work on the system, the quantity of work is negative. Is negative right or is it positive? If you are writing the system equations, the work done by external forces will be a + number, indicating an increase of energy to the system.

PHYSICS HELP
Please check to see if these statements are right. Through the process of doing work, energy can move between the external world and the system as the result of forces. I believe this is true. Please verify. Yes, true.

religion , edit
Today, there are many different variations of Buddhism. Buddhism is not simply a religion or philosophy, but a way of life. Many people have incorporated Buddhism into their current traditions or religion. In any variation of Buddhism, the fundamental practices have remained u...

AP chem
i. The reducing agent is the one that undergoes oxidation (the one that loses electrons). Mn goes from being -1 to +2 meaning that Mn will be the reducing agent. But since the reducing agent is the whole compound, MnO4- is the R.A>

SCIENCE
True or False Test have been conducted to mine uranium from seawater. Just not sure. Pat== I checked at www.google.com by typing in "uranium sea water" without the quotation marks and I received a lot of "hits" but almost all that I saw (all but one) were s...

SCIENCE
Is this true or false? I am confused. Tests have been conducted to mine uranium from seawater. My book says that at one time or another Japan, Germany, and the United States have expressed interest in the extraction of uranium. Japan set up a land-based test plant in 1986 to p...

SCIENCE
The most common ion dissolved in river water is chloride, carbonate, sodium, phosphate, or nitrate. I think the answer is sodium chloride but the answer has these two separated. Is the answer just sodium? No, the answer is not sodium. The answer is chloride ion. Later on in ch...

SCIENCE
Please see if I have the right answer. The three atoms in a water molecule are held together by oxygen bonds, covalent bond, surface tension, hydrogen bonds, or gravity. I think it's covalent bonds. Am I right? Water molecules, even inflowing water, can link together by hy...

SCIENCE
Seawater of average salinity freezes at about: a. 32 degrees F b. 0 degrees C c. -2 degrees C d. -10 degrees F I think it's -2 degrees C but want to be sure. Please check for me. Thanks That's right. The freezing temp of sea water is given in that last wikipedia refere...

SCIENCE AGAIN
Thanks so much for all your help. These multiple choice questions always have me confused. Here goes: The density of fresh water either a.)reaches a maximum at 4 degrees C, b.)decreases with decreasing temperature below 4 degrees C, c.)increases with decreasing temperature dow...

Science
I'm having another problem. These multiple choice questions confuse me. Can you please help again. The density of seawater is either greater than freswater, increases with increasing depth in the oceans, changes with changing temperature, increases with increasing salinity...

Science
I'm going crazy! The heat necessary to change the state of water between a solid and a liquid is called the latent heat of vaporization, latent heat of solidification, latent heat of fusion, latent heat of liquefaction, or none of the above. I thought it was none of the ab...

OCEANOGRAPHY HELP
Sediments composed of particles of one size are called ___________. I think it's well-sorted but am not sure. You are correct. See: http://72.14.253.104/search?q=cache:BtQzENSvQ4MJ:flightline.highline.edu/wmoses/Ocean101/OC101PowerPoints/Sediments.ppt+Sediments+%22particle...

social studies
What is slash and burn method? in terms of farming? what is your question in relation to? Check this site. http://en.wikipedia.org/wiki/Slash_and_burn slash and burn (during indian times) is when they slashed the bark off of trees and then burned then burned the trees for furt...

science
A science student drops a rok down a mine shaft. It takes 3 sec. for the rock to hit the bottom of the shaft , at what speed of the rock just before impact? 32 feet per second per second is the acceleration rate of earth. At the end of second 1 the speed is 32 feet per second,...

science
a train is going 95mph you walk 5mph toward front of train. in relation to passanger seated on train how fast are you moving? The seated passenger is fixed in the same frame of reference as the train. Therefore the walking passenger has a relative velocity of 5 mph relative to...

physics
i thought i had the answer right, but i didnt! wat are the first few steps?? an elevator (mass 4850kg) is to be designed so that the maximum acceleration is .0680g. what are the maximum and minimum forces the motor should exert on the supporting cable? i know the answers but d...

physics
ab elevator (mass 4850kg) is to be designed so that the maximum acceleration is .0680g. what are the maximum and minimum forces the motor should exert on the supporting cable? i know the answers but dont know how to come up with the work! (5.08*10^4N and 4.43*10^4N) Forceoncab...

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