acceleration: Explanation:Given:is the sum of all forces acting on an object. Opposing force is equivalent to Formula: where ; ;net forceSolution:Links to know more about force and...
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Considering we have this elements ( Na, Cl, Si, Al, P)Valence electronsValance electrons increases from left to right of the same period in the periodic table. For the elements me...
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QUESTION HOW CAN YOU MAKE YOUR ENVIRONMENT A PLEASANT PLACE TO LIVE IN ANSWERFirst of all We all notice that some of the places in our locality looks horrible,in sense I mean full...
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Hello!How much would 67.2 liters of MgO weigh ?We have the following data:m (solute mass) = ? (in grams)V (volume) = 67.2MM (Molar Mass of MgO)Mg = 1*(24.30u) = 24.30 uO = 1*(16u)...
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Rusted nails are nails that already reacted with oxygen and water while new nail has not reacted with anything yetExplanation:Rusted nails happens with the presence of water and ai...
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Hello!The pressure on 2.50 L of gas changes from 100 kPa to 40 kPa. What is the new volume if the temperature is constant ?We have the following data:V1 (final volume) = 2.50 LP1 (...
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Hello!How many moles are there in 30 g of calcium chloride ?We have the following data:MM (Molar Mass of Calcium Chloride - CaCl2)Ca = 1*(40.078u) = 40.078uCl = 2*(35.453u) = 70.90...
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This is because Cobalt has less number of protons and electrons than Nickel due to which it has lesser atomic number. So it is usually placed in the periodic table before Nickel. S...
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Well, the oil floats and it does not get partially mix because it is a heterogeneous mixture, while the soap gets dissolve by the water, because it is a homogeneous mixture.I hoped...
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There are very clear differences between past and present life including the following:The technological side ; Life in ancient times lacked the tools of technology that man knew i...
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ANSWER: Element B is more reactive than Element A. It is the goal of an element to complete its eight-valence elctron quota. Noble gases have 8 valence electrons and are the most s...
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