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Quiz by Dr.mariam 0547389123
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what is the specific heat of glass of372 calories are needed to change the temperature of 65 g of it from 80ᵒC to106ᵒC?
An infant had a temperature of 100ᵒF. Convert this temperature to K.
How many nanograms are there in 7milligrams?
Consider the species 72Zn,75As and 74Ge. These species have:
All noble gases molecules are...................
The right formula of calcium phosphate is…..
Which one of the following pair atoms is most likely to form an ionic bond?
The name of S2O3 compound is…….
How many moles of argon are there in 10 L , at 45ᵒC and 0.955 atm?
As we further from the sea level, the pressure…..
………….. is needed for the proper functioning of hemoglobin in blood
What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass =64.23 amu (26%)and one with mass =65.32 amu (74%)?
Which of the following is the electron configuration for a neutral atom of (Mn)?
Which of the following elements is predicted to have the lowest ionization energy?
Complete transfer of one or more electrons fromone atom to different atoms,
There is a balloon filled with a gas at 26ᵒC and has a volume of 2 L, when the balloon is taken to a place which is at 77 ᵒC, what would be the volume of the gas that is inside the balloon?
How many grams of NaOH are present in 250 ml of 5M NaOH?
Heterogenous mixture in which some of the particles settle out of the mixture upon standing known as………………..
Soda water is a solution of……..
All of these are physical changes except .......