1. Physics

If 6.40 x 10^-19 joule of work is required to move a proton between two points A and B in an electric field, what is the potential difference between points A and B? Given: W = 6.40 x 10^-19

2. Organic Chemistry

Draw the structure of: (E)-1,2-dibromo-3-isopropyl-2-hexene My approach: I know how to answer this question in terms of basic nomeclature but I have no idea what (E) means in this.

73. Science

If you were to look down on Earth from above the North Pole, in which direction would Earth appear to rotate? If you were to look down on Earth from above the North Pole, then earth would appear to rotate in a counter-clockwise direction. More info would

74. grammar

The coordinating conjunctions that can be used to combine two complete sentences with a comma are “for, and, nor, because, yet, so

75. math

What are the odds against throwing either a sum of 3 or 8 in rolling a pair of regular dice?

76. Math

Solve each literal equation for the indicated variable. 4x-5y=10 for y (the answer is y=4/5x-2) How do you solve this?

77. Lanuguage Arts

Our teacher gave us terrible instructions on a sentence we are supposed to write. 1) Choose 6 words that best describe who you are. 2)Write a sentence that contains 6 words that best describe you. She showed us an example on the SMART board it was up for

78. Mass Communication Studies

Please provide at least one example of an appealing news lead from either a corporation or an organizations news rooms. Tell why the lead is appealing.

79. physics

a 700 N man stands on a scale on the floor of an elevator. The scare records the force it exerts on whatever is on it. What is the scale reading if the elevator has an acceleration of 1.8 m/s squared up ? I need help with what formula (s) to use to get the

80. Math

Hi everyone, Could someone tell me how I could solve these equations 7x + 9 = 5x-5 x/3 + 15 = 3(x-11) Thanks

81. Chemistry

When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 11.0 oz drink from 75 degree Fahrenheit to 37 degree Fahrenheit, if the heat capacity of the drink is 4.18 J/g degree celsius ? (Assume that the heat transfer is 100 %

82. physics

a 700 N man stands on a scale on the floor of an elevator. The scare records the force it exerts on whatever is on it. What is the scale reading if the elevator has an acceleration of 1.8 m/s squared up ? I need help with what formula (s) to use to get the

83. Physics

An electrostastic force of 20.0 newtons is exerted on a charge of 8.00 x 10^/2 C at point P in an electric field. The magnitude of the electric field strength at P is Given: Fe = 20 B q = 8.00 x 10^/2 C

84. calculus

How large does N have to be in order to approximate the integral of cos(x^2) from 0 to 1, using the Midpoint Rule, with error at most 10^(-6)?

85. science

A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

86. Chemistry

A 43 sample of water absorbs 302 of heat. If the water was initially at 29.8, what is its final temperature? i been trying to solve this problem all day long, but i just don't understand how to do it. please help me. thanks..

87. mental health

i need to provide an example of how my own values and beliefs impact on my work with individuals experiencing mental illness

88. chemistry

what are indicators of strong intermolecular forces?

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90. Biology

Just need this checked: 'The cytoskeleton of eukaryotes serves many functions. One of these functions is served in prokaryotes by a different major structure. Which structural feature is it? How do these different structures serve the same function in the

91. Chemistry

What would be the dominant anodic and cathodic reactions for iron exposed to aerated neutral salt water? Thank You for your help!

92. Math

What would the absolute value be? \ 2-3\ if you solve it the answer comes to -1 but can you have a negative as your answer for absolute value?

93. Science

Describe how the rotation of Earth is responsible for the movement of the stars. The rotation of earth is responsible for the movement of stars because as it rotates, objects around it rotate as well, such as planets, they appear to move through the stars

3(a+2)=4a

115. maths

Q.1the set of all solutions of the inequality (1/2)^((x^2)-2x)< (1/4) contains the set (3,infinite). But how?

116. mental health

i need to know the explanation of the miracle and scaling question in mental health

how do you add a fraction with a different denominator

118. Multiculturalism (URGENT)

Identify TEN different cultural traditions, customs, foods, clothing that are part of Canadean lifestyle: 1. Pizza 2. Spaghetti 3. Soccer 4. ? I can only think of 3. Can someone help me think of 7 more? Help appreciated. Thanks.

119. maths

Can you please explain to me how to simplify the following fraction: 1/-1/4

120. environmental science

which is the simplest of all atoms? OH- H+ H3O+ H

121. accounting

What type of financial reports would you expect to review in an accounting department? How can the information contained within these reports help accountants and managers make good business decisions?

122. ethics in healthcare

What are some ways you can share principles from the ethical code that governs you with others? How can a professional be sure to comply with code provisions that impact him/her?

A clothing manufacturer has 100m of silk and 180m of wool. To make a suit requires 2m of silk and 3m of wool, and to make a dress requires 1m of silk and 2m of wool. If the profit on a suit is $108 and the profit on a dress is$60, how many suits and

125. English

I am going to write an article about a semi-famous person. I won't be able to personally interview this person, so all of the information for my article will have to come from other sources. I realize that I will have to give credit to these sources with

126. math

Cecile tosses 5 coins,one after the other. a) How many different outcomes are possible? b) In how many ways will the first coin turn up heads and the last coin turn up tails? c) In how many ways will the second third and fourth coins all turn up heads? d)

128. Chemistry

What would be the dominant anodic and cathodic reactions for iron exposed to aerated neutral salt water? Thank You for your help!

130. english

where do the punctuaion marks go? have you seen Brian Forbes's painting called The Olympic Runner asked Rosita.

131. Interpersonal Communcations

Why is knowing your audience an important part of capturing and maintaining their attention? What is the impact of culture?

132. English 3

Why did Ratcliffe replace the orginal president?

133. Math-Distributive Property

Use the distributive property to simplify: 3(m-1)-(2m+1)How would you do this? This is all I have 3m-1-2m+1 I don't know if that right or what to do from there. Your help is greatly appreciated.

What are the key planning factors for competitive success?

135. Cookery

hi I am having trouble with this question Why is it important to adjust the shelves to the correct position before lighting the oven ?

136. Public Speaking

What is the purpose of using a program like PowerPoint?

137. Algebra

I am trying to figure out using the distributive property for 8(w-4)=-32

138. ENGLSIH

What criteria should you look at to evaluate information? a) Relevant, Authoritative, Historical b) Relevant, Reliable, Revisions c)Relevant, Reliable, Authoritative d)Relevant, Reliable, Magazines and Newspapers is it (B)

139. Math 9

5 x 10^n = 5 Can someone please tell me the steps to solve for n? thank you!

140. physics

A limb, which is 1m long, moves through an angle of 30 degrees in 0.5 seconds. a) What is the average angular velocity of: i) Its end? ii) A point 30 cm from the axis of rotation? b) What is the linear velocity of: i) Its end? ii) A point 30 cm from the

141. Science

Give examples of how humans have increased their food supply and what effects these methods have on the environment overall.

142. sawing

what length of material do you need for the jacket sleeves

143. sawing

as many alteration as possible should be made

144. physics

A limb, which is 1m long, moves through an angle of 30 degrees in 0.5 seconds. a) What is the average angular velocity of: i) Its end? ii) A point 30 cm from the axis of rotation? b) What is the linear velocity of: i) Its end? ii) A point 30 cm from the

145. Mass Communication Studies

Please provide at least one example of an appealing news lead from either a corporation or an organizations news rooms. Tell why the lead is appealing.

146. social policy

What does due process have to do with human services consumers, programs, and/or policies?

147. physics

How do you find the protons acceleration at this instant then?

A recipe calls for one-third cup of flour you have a quarter cup and a half measuring cup How could you measure one-third cup of flour?

149. Psy220

Select 2 health problems discussed in the text and explain what role psychology

150. accounting

what might happen if a human service agency did not determine the cost per output/cost per outcome?

151. Math-Ratios

Write the ratio in each case: 6 in to 3ft I don't understand how the answer is 1/6. What do you do to get that? 50 hours to 3 days. I don't understand how the answer is 25/36. What do you do to get that? Thank you for your help. It is greatly appreciated.

152. Calculus

Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0

153. History

Could someone please help me with this? Assume the role of an American journalist during World War II. Write three newspaper headlines that indicate the significance of the attack on Pearl Harbor. Each headline must report the same event from a different

154. calculus

For the function f(x) = 1 + sin(x) find f(2). Leave your answer rounded to tenths. Assume x is in radians

155. Math

Solve each literal equation for the indicated variable 2x-3y=4 for x The answer is suppose to be x=3/2y+2 I don't understand how you do this problem?

156. Food and Nutrition

I have to follow a diet that my teacher wants me to do for a challenge. Is smoked black forest ham considered a luncheon meat? The questions don't stop there. And are tortilla chips made with white, refined flour?

157. Calculus II

Find the volume of the solid obtained by revolving the graph of $$y = 16 x\sqrt{4 - x^2}$$ over [0,2] about the y-axis.

158. Finance

I need to identify the ROI and NPV of the wireless order-tracking system. Here is the information it gives me: - The aquisition cost is $35,000 paid at the time of installation. - It reduces the wait staff by one person: Figure$10 per hour, or 2020 hours

159. religions

im having to write a paper considering the interrelatedness of everything in cosmos as expressed in many indigenous religions. Then explain the importance of those relationships developed and what spiritual purpose they serve for indigenous people. please

160. gym question?

we were told to pick a good exercise routine to exercise to i picked this one and i was wondering if its good cardio. if you have one please share. 30 min treadmill 30 minutes bike 30 min treadmill 30 min "swishy thing that goes circular" (dont know the

161. mathematics

How many games are played in a women's soccer conference if there are eight teams and all teams play each other twice?

162. Measurements

Is 2m 300mm the same as 230cm?

164. science

what is the outer layer of the hair shaft?

166. Physics

How is it that an electron accelerates towards the protons (nucleus) in a hydrogen atom? I had thought that the electric forces acting on each other is equal so they are in equilibrium.

167. math

A fraction is in simplest form when its numerator and denomenator only share _____?

168. Physics

How is it that an electron accelerates towards the protons (nucleus) in a hydrogen atom? I had thought that the electric forces acting on each other is equal so they are in equilibrium.

169. Biology

Where in the cell cycle can one find the phragmoplast? What is it's probable function?

170. Biology

Please help me list some of the major differences in the process of mitosis as it occurs in higher plants and as it occurs animals.

171. Calculus

A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the

172. Biology

The mitotic process provides a mechanism by which cells should be able to transfer their genomic contents from cell generation to cell generation without error or change. is this inviolate?

174. Calculus

From 2 to 3, integrate ((x^3)+5)dx/x.