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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 answer
233 views
A Navy vessel is traveling due north during wartime. A torpedo has been launched by an enemy directly toward the stern (rear) of
0 answers
392 views
25 Miles Long After 2 Hours John Has Run 7 Miles. How Many Miles, M Does John Have Left To Run?
1 answer
413 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
2 answers
1,255 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
0 answers
1,015 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 answer
1,280 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 answer
623 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 answer
603 views
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for
1 answer
2,171 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 answer
813 views
A student prepares a solution of hydrochloric acid that is approximately 0.1 M and wanted to determine its precise
2 answers
901 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
3 answers
751 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 answer
666 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 answer
591 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 answer
595 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 answer
544 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
2 answers
623 views
Calculate the number of moles of each of the ions in the following solution:
30.8 mL of 0.507 M AlCl3
3 answers
499 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?
3 answers
442 views
2CH3OH + 3O2→ 2CO2 + 4H2O
When 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 answer
714 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 answer
441 views
what is the integral of sin^5(6x)dx
1 answer
464 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
3 answers
5,308 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 answer
470 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
4 answers
1,076 views
How many grams of ZnCl2 will be produced from 48 grams of zinc and 30 grams of HCL
1 answer
919 views
i need to write a essay on writing skills and writing assignment
3 answers
628 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 answer
1,894 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 answer
460 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 answer
2,126 views
Show that the following process is dynamically inpossible:
A single photon in empty space is transformed into an electron and a
0 answers
1,157 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 answer
623 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 answer
1,170 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
2 answers
650 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
7 answers
902 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 answer
494 views
Characteristics of Interpersonal Communication
Im having a little problem with this assignment not really sure what to do. There
1 answer
586 views
For each of the following expressions, show each step a student would folow to mentally perform the calculations in the whole
2 answers
478 views
solve for x 8=6^x using logs
1 answer
378 views
solve for x
1 answer
336 views
solve the following equation for x
1 answer
315 views
can you show how to solve for x
x+1/x + 6/2x-3 =0
1 answer
360 views
factorise the following equation
680x3-1407x2-614x+285 where x2 x3 mean x to the power of
2 answers
568 views
solve the following equation for x
(x+1/x) + (6/2x-3)=0
1 answer
343 views
rearrange the following equation to find x in terms of y and t
y(y-x)=3t(3t+x)
1 answer
396 views
solve the following simultaneous equation algebraically,for a and b
8a+5b=23 12a+3b=12
3 answers
502 views
if you added sulfuric acid to calcium nitrate what products in addition to calcium sulphate would you get if any ?
if you start
0 answers
1,180 views
write a balanced chemical equation for calcium nitate plus sulfuric acid produces calcium sulphate and ?
This is a metathetical
0 answers
1,009 views
Given a solution in moles per litre how would you convert to parts per million)ppm.)
could you help,no other information given
0 answers
517 views
calcium nitrate + sulfuric acid =caso4+? write a balanced chemical equation for this reaction including states.
Ca(NO3)2 + H2SO4
0 answers
1,170 views
write a balanced chemical equation for the following reaction including states
not complete; no question.
0 answers
477 views