Find out the difference between 2na and na2
Find out the difference between 2Na and Na2, when writing a complete ionic equation, can i use these interchangeably?
is.Ca+ 2Al the same as Ca+Al2.
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Determine the actual pressure of the gas when collected over water: Barometric reading: 742 mm, Temperature: 24°C, Level of water inside measuring the tube: 20.4mm lower than outside.
Mr. Kraso was not in town. If the crime was committed, then Mr. Krasov was in town. Hence Jose did not take jewerly. Utilize letters J, L, C, T.
A quick approximate freezing point determination indicates that 4g of salt dissolved in the 100g of water produces a solution which freezes at about -28 degree Celsius. A salt is known to be alkali metal fluoride. Estimate the formula of the salt?
In freezing point experiment, is it advisable to calculate the freezing point of pure paraffin with one thermometer and the freezing point of the solution with a different one? Discuss.
The four-year government bond creates annual coupon payments of 4.0% and offers the yield of 2.0% annually compounded. Assume that bond yields 1.0% at the end of year. What return would bondholder earn in case?
How do we calculate the molality of H202, mole fraction of H202 and the molarity of H202 if an aqueous solution H202 is 30% by mass and has a density of 1.11g/ml
A zinc marble has a diameter of 20.0 mm. Use 2.74multiplied by 10 to the power of negative 8 as the atomic diameter, assume close pack arrangement and use the accepted value of Avogadro's to calculate the atoms in the marble and the mass o
Amount x(t) of H decreases with time at the rate proportional to alpha power of x. Write the differential equation for amount x(t) present at time t.
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