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You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
Q. Consider the combustion of methane: Suppose the reaction occurs in a flowing gas mixture of methane and air. Assume that the pressure is constant at 1 bar, the reactant
Cyclic hydrocarbons - IUPAC system of nomenclature These compounds consist of carbon chain skeletons that are closed to form rings. The saturated hydrocarbons along with ring o
What are the Types of Acceptance Tests? There are two main aspects to acceptance testing: Measurement of Acceptability Comparison of acceptability or preference
When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct) : (1) Alpha particles are much heavier than ele
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
Coordination number and geometry Binary compounds are ones with two different elements present. 'Simple' crystal structures can be classed as ones in which each atom (or
WHAT IS THE MEANING OFPotential Energy Surfaces
Q. Show properties of the Borax? Salts of boric acids are known as borates. As said earlier, hydrated borates occur naturally, e.g., borax, Na 2 B 6 0 11 . 5H 2 0, kernite, Na
Write the similarities of lithium with other alkali metals
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