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Find the new coordinates of the figures ABCDE, if you translate 3 unit..
Find the new coordinates of the figures ABCDE, if you translate 3 units left and 2 units up. => A′(1, 3), B′(5, 7), C′(1, 9), D′(2, 6) E′(-1, 5) or A′(1, 3), B′(5, 7), C′(7, 9), D′(2, 6) E′(-1, 5) or..
The coordinates of a line segment are (3, 2) and (1, -4). What are the..
The coordinates of a line segment are (3, 2) and (1, -4). What are the new coordinates of the line segment, if it is translated 3 units left? => (0, 2) and (-2, -4) or (0, 2) and (-2, 4) or (0, -2) and (-2, -4) or None of the above..
The coordinates of a line segment are (7, 6) and (3, -8). What are the..
The coordinates of a line segment are (7, 6) and (3, -8). What are the new coordinates of the line segment, if the translation is done to 7 units left? => (0, 6) and (-4, -8) or (0, -6) and (-4, -8) or (0, 6) and (-4, 8) or None of the above..
State of the System and State Functions
. Thus, state of the system may be defined as its conditions of existence of the system when its macroscopic properties have definite values. When the state of a system changes its macroscopic properties also change and acquire new definite values. The macroscopic prop..
The area of the United States is 9,631,420 square kilometers. What is ..
The area of the United States is 9,631,420 square kilometers. What is the word name for the area of the United States? => Ninety-six thirty-one thousand, four hundred twenty or Nine hundred thousand, six hundred thirty-one thousand, four hundred twenty or Nin..
Oxidation states
These elements have five electrons in the valence shell. The loss of five electrons is quite difficult because of energy considerations. Hence they do not form ionic compounds by loss of 5 electrons. On the other hand, these elements can also gain three electrons to complete their octets. But gain..
(ii) Prediction of new elements
While arranging the elements, in increasing order of atomic mass, Mendeleev left three blanks for elements that were not discovered at that time. He was able to predict the properties of these unknown elements more or less accurately. He named them eka-boron, eka-aluminium and eka-silico..
If "7 units backward, 11 units right and 5 units down" describes the c..
If "7 units backward, 11 units right and 5 units down" describes the coordinates (- 7, 11, - 5) then the coordinates which describes "5 units forward, 7 units left and 10 units up" are => (5, 7, - 10) or (5, 7, 10) or (5, - 7, 10..
The height of the Empire State building in New York is 1,250 ft. Write..
The height of the Empire State building in New York is 1,250 ft. Write this number in scientific notation. => 1.25 x 10 4 or 1.25 x 10 3 or 1.25 x 10 2 or None of the above..
Units of mass
The most common unit for mass is expressed in grams (g) or kilogram (kg) (1 kg = 10 3 g). In chemical measurement, IUPAC prescribes that the mass of a gas (m) be expressed in terms of the number of moles (n). The number of moles can be obtained from the mass of the gas using the relation..
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