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walter

Questions (51)

Complete the questions with the past continuous form of the verbs in brackets.1 ......... you ........... (have) dinner with
1. 1 answer
2. 221 views
A Navy vessel is traveling due north during wartime. A torpedo has been launched by an enemy directly toward the stern (rear) of
1. 0 answers
2. 385 views
25 Miles Long After 2 Hours John Has Run 7 Miles. How Many Miles, M Does John Have Left To Run?
1. 1 answer
2. 398 views
mr. Carr is installing wall to wall carpeting in a room that measures 12 1/2ft by 9 2/3 ft how much will it coast if the carpet
1. 2 answers
2. 1,237 views
A swimmer wants to cross a river, from point A to point B, as shown in the figure. The distance d1 (from A to C) is 200 m, the
1. 0 answers
2. 991 views
You throw a snowball at an angle of 34.0° below the horizontal from the roof of a building that is 74.0 m above flat ground.
1. 1 answer
2. 1,263 views
A young man is throwing rocks gently up to his girlfriend's window, and he wants the rocks to hit the window moving only with a
1. 1 answer
2. 599 views
An object is launched at a speed of 15 m/s. If it rises to a height of 2 m, at what angle was it launched?
1. 1 answer
2. 581 views
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for
1. 1 answer
2. 2,151 views
"Stomach acid" is hydrochloric acid. A sample of gastric juice having a volume of 6.68 mL required 13.90 mL of 0.0161 M KOH
1. 1 answer
2. 797 views
A student prepares a solution of hydrochloric acid that is approximately 0.1 M and wanted to determine its precise
1. 2 answers
2. 869 views
A 12.6 mL sample of vinegar, containing acetic acid, was titrated using 0.542 M NaOH solution. The titration required 24.1 mL of
1. 3 answers
2. 733 views
148 mL of 0.325 M MgCl2 is mixed with 68.7 mL of 0.388 M NaOH and allowed to react completely. how many grams of Mg(OH)2 will
1. 1 answer
2. 655 views
mixture is prepared by adding 27.0 mL of 0.169 M Na3PO4 to 35.1 mL of 0.234 M Ca(NO3)2.(a) What mass of Ca3(PO4)2 will be
1. 1 answer
2. 572 views
'24.6 mL of 0.488 M NaCl is added to 24.6 mL of 0.312 M AgNO3. How many moles of AgCl would precipitate? What would be the
1. 1 answer
2. 579 views
23.8 ml of a 2.0 mol/l surfuric acid solution reacted completely with 68.0 ml of potassium hydroxide. find the concentration of
1. 1 answer
2. 533 views
23.8 ml of a 2.0 mol/l surfuric acid solution reacted completely with 68.0 ml of potassium hydroxide. find the concentration of
1. 2 answers
2. 609 views
Calculate the number of moles of each of the ions in the following solution:30.8 mL of 0.507 M AlCl3
1. 3 answers
2. 483 views
How many milliliters of water must be added to 153.2 mL of 2.73 M KOH to give a 1.68 M solution?
1. 3 answers
2. 427 views
2CH3OH + 3O2→ 2CO2 + 4H2OWhen 9.63 g of CH3OH was mixed with 15.7 g of O2 and ignited, 9.46 g of CO2 was obtained. What was
1. 1 answer
2. 700 views
i am a number between 5 and 10. my decimal is in tenths. the sum of my digits is 10. what number could i be?
1. 1 answer
2. 432 views
what is the integral of sin^5(6x)dx
1. 1 answer
2. 444 views
From the following data at 25°C,H2(g) + Cl2(g) → 2HCl(g) ΔH0 = −185 kJ 2H2(g) + O2(g) → 2H2O(g) ΔH0 = −483.7 kJ
1. 3 answers
2. 5,281 views
The area of a rectangle is 15 + 5y square feet. Which of the following expressions could be the lengths of the sides of the
1. 1 answer
2. 458 views
The area of a rectangle is 15 + 5y square feet. Which of the following expressions could be the lengths of the sides of the
1. 4 answers
2. 1,059 views
How many grams of ZnCl2 will be produced from 48 grams of zinc and 30 grams of HCL
1. 1 answer
2. 913 views
i need to write a essay on writing skills and writing assignment
1. 3 answers
2. 621 views
an object 3.00 cm high is placed 20.0cm from a convex mirror with a focal length of magnitude 8.00 cm. Find the position of the
1. 1 answer
2. 1,873 views
one side of a square is decreased by 20% while its adjecent side is increased by 10%% forming a new rectangle. the area of the
1. 1 answer
2. 446 views
A photon of energy E collides with a stationary particle of rest mass m0 and is absorbed by it .(A) what is the velocity of
1. 1 answer
2. 2,088 views
Show that the following process is dynamically inpossible:A single photon in empty space is transformed into an electron and a
1. 0 answers
2. 1,141 views
A particle called neutral pi meson (or pion) decays into two photons (and nothing else).If the pion (whose rest mass is 135Mev)
1. 1 answer
2. 606 views
the lengths of corresponding sides of similar rectangles have a ratio of 7:4 the perimeter of the smaller rectangle is 80 ft.
1. 1 answer
2. 1,159 views
You are designing a scale model of the solar system mercury it is 4,878 km in diameter.using the following scale factor, how
1. 2 answers
2. 643 views
make a conjecture (obsevations based on patterns) for each sequence below.a)7,10,13,16 b)4,44,444,4444,44444 c)2,10,50,250
1. 7 answers
2. 887 views
start with the word RODE. change one letter at a time to form a new until u have the word FILM. the best solution has the fewest
1. 1 answer
2. 485 views
Characteristics of Interpersonal CommunicationIm having a little problem with this assignment not really sure what to do. There
1. 1 answer
2. 565 views
For each of the following expressions, show each step a student would folow to mentally perform the calculations in the whole
1. 2 answers
2. 458 views
solve for x 8=6^x using logs
1. 1 answer
2. 366 views
solve for x
1. 1 answer
2. 321 views
solve the following equation for x
1. 1 answer
2. 308 views
can you show how to solve for xx+1/x + 6/2x-3 =0
1. 1 answer
2. 347 views
factorise the following equation680x3-1407x2-614x+285 where x2 x3 mean x to the power of
1. 2 answers
2. 554 views
solve the following equation for x(x+1/x) + (6/2x-3)=0
1. 1 answer
2. 328 views
rearrange the following equation to find x in terms of y and ty(y-x)=3t(3t+x)
1. 1 answer
2. 386 views
solve the following simultaneous equation algebraically,for a and b8a+5b=23 12a+3b=12
1. 3 answers
2. 488 views
if you added sulfuric acid to calcium nitrate what products in addition to calcium sulphate would you get if any ?if you start
1. 0 answers
2. 1,157 views
write a balanced chemical equation for calcium nitate plus sulfuric acid produces calcium sulphate and ?This is a metathetical
1. 0 answers
2. 984 views
Given a solution in moles per litre how would you convert to parts per million)ppm.)could you help,no other information given
1. 0 answers
2. 502 views
calcium nitrate + sulfuric acid =caso4+? write a balanced chemical equation for this reaction including states.Ca(NO3)2 + H2SO4
1. 0 answers
2. 1,146 views
write a balanced chemical equation for the following reaction including statesnot complete; no question.
1. 0 answers
2. 463 views

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