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Great Assignment Help Questions

Two friends Richa and Sohan have some savings in their piggy bank. They decided to count the total coins they both had. After counting they find that they have fifty * 1 coins, forty eight * 2 coins, thirty six ? 5 coins, twenty exght 10 coins and eight ? 20 coins. Now, they said to Nisha, their another friends, to choose a coin randomly. Find the probability that the coin chosen is

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Posted: 13-07-2022

An amount of R 4090 is invested in a savings account which pays simple interest at a rate of 8% per annum.

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Posted: 13-07-2022

Both CO2 and BCl3 have zero dipole moments, but the C = O and B – Cl bond moments are not zero.

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Posted: 13-07-2022

Resonating structure of SO3?

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Posted: 13-07-2022

Draw a Lewis structure for CO3 2–, SF4 and HCOOH (formic acid).

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Posted: 13-07-2022

Using the following data: Enthalpy of sublimation:

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Posted: 13-07-2022

Use Lewis electron-dot symbols to show the transfer of electrons from magnesium atoms to nitrogen atoms to form ions with noble gas electron configurations.

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Posted: 13-07-2022

The atoms and ions Na, Mg+, Al2+ and Si3+ all have the same number of electrons.

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Posted: 13-07-2022

List the postulates of Dalton that continue to have significance (are retained in modern atomic theory).

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Posted: 13-07-2022

The distance between carbon atoms in a diamond is 154 pm. What is the idstance between the carbon atoms in millimeters?

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Posted: 13-07-2022

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