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If the pH of an aqueous solytion is increased from 3.5 to 4.3,this nean?
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مايو 28
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If the pH of an aqueous solytion is increased from 3.5 to 4.3,this nean?
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مايو 28
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If the pH of an aqueous solution is increased from 3.5 to 4.3, it means that the solution has become less acidic. The increase in pH value indicates a decrease in the concentration of hydrogen ions in the solution, making it more basic or alkaline.
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ترجم حلول Ai The smaller the object, the smaller the surface area will be. This statement is generally true. In most cases, as an object decreases in size, its surface area will also decrease. This is because surface area is directly related to the physical dimensions of an object. For example, imagine a cube that is 1cm in size. The surface area of this cube would be 6 square centimeters. If the cube were to be reduced in size to 0.5cm, its surface area would decrease to 1.5 square centimeters. However, it is important to note that this relationship may not hold true in all cases, as the shape and structure of an object can also affect its surface area. Additionally, certain properties of objects, such as fractals, can lead to more complex relationships between size and surface area.
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مايو 23
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2- The quantity demanded of good (Y) increased from (3) units to (8) units, due to the decrease in the price of This item from (15) riyals to (6) riyals. - Required: Find the price elasticity of demand for good Y
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أبريل 25
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A-Choose the best answer: 1-________you seen that movie? a-Didn’t. -b-Haven’t. -c-Doesn’t 2-This is the boy________had an accident. a-who. -b-which. -c-where 3-The camp________we first met is still our favourite place to go to. a-who. -b-which. -c-where 4-Yesterday,I saw a car______was very old. a-who. -b-which. -c-where 5-When does the event start? Can you tell me when the event _______? a-starting. -b-started. -c-starts 6-A:I went shopping. B:_________. a-So I did. -b-So did I. -c-Neither did I
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مايو 15
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Two power system A and B are interconnected by a tie line and have power frequency constants Ka and KB per Hz. An increase of load of 500MW on system A causes a power transfer of 300 MW from B to A. If the tie line is then opened, the frequency of system A falls to 49Hz and B rises to 50Hz, find the value of KA and KB.
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يونيو 10
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Problems A laser beam is incident at an angle of 30° from the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.24° from the vertical, (a) what is the index of refraction of the syrup solution? Suppose the light is red, with vacuum wavelength 632.8 nm. Find its (b) wavelength, (c) frequency, and (d) speed in the solution.
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أبريل 25
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