# Posts by Roderick

Total # Posts: 46

Chemistry
Calculate the value of theshielding constant if the first ionosaton energy of Helium is 3.98x10ᴧ -19 J/mol

Math
Hi, Analynn. In order to find how much he will earn in 5 days, we must find out how much he works in 1 day. 1 day is 1 3/4. 3/4 converts to .75, so lets say 1.75. Next, you would multiply that number by how much he makes. Do this calculation for me: 5 times 1.75. When you get ...

Algebra
The length of a rectangle is 1ft. more than twice the width, and the area of the rectangle is 66 ft^2. Find the dimensions of the rectangle. length: width:

Algebra
Keiko is a software saleswoman. Let y represent her total pay (in dollars). Let x represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 2200+90x=y . Answer the questions below. Note that a change can be an increase or a ...

Chemistry
Propose buffer components to hold a pH of 9.5, let the base have a concentration of 0.1 M show all work please

Chemistry
Propose buffer components to hold a pH of 3.5, let the acid have a concentration of 0.1 M show all work

Chemistry
What is the solubility of Ca3(PO4)2 in 0.045 M of CaCl2

chemistry
What is the solubility of Ca3(PO4)2 in 0.06 M of K3PO4

Science
What do you mean by the statement "waves transport energy, not water?". How do waves transport energy without moving water? What is the function of the energy transported by waves? When there is a term "displacing molecules", what does it mean? Explain it ...

science
a dog has a moment of 60 kilogram meters per second west. The dog has a velocity 3 meters per second west. What is the mass of the dog ?

Earth Science
My child is doing a project on the earth. He is trying to do a power point presentation on the earth. He ran across information that stated, "The earth is divided into several layers which have distinct chemicals and seismic properties". He would like to know ...

american crises win

algebra essentials
Find an equation for the line that contains each pair of points. If the line is not vertical. Write the equation in slope-intercept form. X(4,5,0) and Y(0,4,5)

spell
paid

math
that the right way to do it. You are right.

algebra
\$21.12

science fair
just go to Google and type in science fair and it will give you them.

world history
67. what is the term for the Gernam attacks on merchant and passenger sips carrying American citizens that were resumed in December of 1916 and were largely responsible for he U.S. entering the war on the side of the Allies?

world history
The British and French wanted U.S. units sed to reinfore their troops already on the battle lines. Who was the general chosen to command the American Expeditionary Force in World War I that refused to break up U.S. units so that they could be used as reinforcements for British...

world history
when Woodrow Wilson returned from Paris with the Treaty of Versailles, he had to overcome opposition to its ratification in the Senate. Who was the Republican senator from Massachustts that as the chairman of the Senate Foreign Relations Committee led the successful fight ...

world history
more than forty nations joined the League of Nations, agreeing to negotiate disputes rather than resort to war. Members of the League promised to take common action--economic or even military--against any aggressor state. What was the one key nation that did not join? The ...

world history
Between March and September of 1918 a series of offensive on both sides culminated with the German General Staff's recommendation to the kaiser that the war could nt be won. At their suggestion, the kaiser adicated his throne and fled into exile. In what neutral country ...

world history
what nickname had he received after commanding African American soldiers of U.S 10th Cavalry Regiment (known as the Buffalo Soldiers) during his early career as an army officer? Colonel Edward Hatch

world history
who was the President of the United States that had won re-election in 1916 on the platform "he kept us out of the war" that now led the country into world War I? Woodrow Wilson

world history
what was the name of the British liner that was torpedoed and sunk by a German U-boat in may of 1915 that resulted in the death of almst 1200 passengers, 128 of them American citizens? Lusitania

world hitory
what is the tem for the German attacks on merchant an passenger ships carrying Americn citizens that were resumed in December of 1916 and were largely responsible for the United States entering the war on the side of the Allies? Lusitania

world history
Who came to power in Russia after the overthrow of the czar? V. I. Lenin

world history
what did support for the war effort by women help them win in counries like Britain and the United States once the war was finally over? right to vote

Math
positive

World History
1. Identify three peace efforts of the late 1880s and early 1900s. 2. Describe how each of the following served to inflame tensions in Europe:(a) nationalism, (b) imperial rivalries (c) militarism. 3. (A) Why did European nations form alliances? (B) How did alliances increase ...

Biology
1. When synapsis occurs a process called_____________occurs. 2. There are______definite phases of meiosis_______and meiosis.

Biology
Before meiosis, replication takes place. Therefore each chromosome is made of two_______. During meiosis I synapsis takes place. Synapsis takes places. Synapsis occurs when homologous chromosomes________and line up side by side which results in the forming of _______. A tetrad...

Biology
1. Meiosis occurs during the production of gametes_______ within the sex organs. It is a type of division that reduces the chromosome number from the _____ number to the _______ number. 2.The _______pairs of chromosomes are called________. During meiosis the homologus ...

algebra
1. y = -1 find the intercepts for the graph. 2. x = -1 find the intercepts for the graph.

algebra
1. 6x+2y=8 2. y=-2 3. x=5 4. 4x-3y=11 Tell whether the line is vertical, horizontal, or either.

algebra
3x-5y=25 find the x and y intercepts.

English
Errol is looking forward to excavating those. which word is the pro noun.

English
1. Some friends went downtown to see the latest movies. tell me is some a noun, pronoun, or adjective

English
I am quite capable of doing it, thank you. which word is the adverb.

English
No one knew the answer to the riddle posted on the Web site. tell me which word is the pronoun.

pre-algebra
subtract 1-13

world history
what is the term for the movement of people from rural areas due to changes in farming, a soaring population and an ever increasing demand for industrial workers?

world history
what was the Aztec capital that had been build upon an island in the middle of Lake Texco in central Mexico? It was connected to the mainland by broad causeways.

world history
what is the name for the periord in which there was a production shift from simple hand tools to complex machines and from human and animal power to steam power?

world history
who was the German monks credited with starting a religious revolution after he had grown dis-illusioned with what he perceived as the corruption and worldliness of the Roman Catholic Church?

english 4
i need help with a outline about the boook the great gatsby Here are two of the best sites for analysis of literature. http://www.bookrags.com/notes/gat/ http://www.sparknotes.com/lit/gatsby/

1. Pages:
2. 1

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