Answer:
5.56×10²² molecules of AlPO4
Explanation:
i think thats is the correct answer if its wrong im really sorry
Caffeine has two sp2 and one sp3 hybridized carbon atoms in its structure.
Caffeine has three carbon atoms in its structure, and the hybridization of these carbon atoms determines the types of bonds they form. Two of the carbon atoms in caffeine are sp2-hybridized, while the remaining carbon atom is sp3-hybridized.
The sp2-hybridized carbon atoms form double bonds with nitrogen atoms and are found in the pyrimidine and pyrazole rings of the caffeine molecule. They have trigonal planar geometry with bond angles of approximately 120 degrees.
The sp3-hybridized carbon atom is found in the methyl group (CH3) attached to the pyrimidine ring. It forms single bonds with three hydrogen atoms and has tetrahedral geometry with bond angles approximately 109.5 degrees.
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proton in scientific notation?
Answer:
1.67 ×10^-24g
Explanation:
counting from the first digit after the point till I got to the first non zero digit
The number of water molecules in a 1.50 mol block of ice is calculated by multiplying the number of moles of water by Avogadro's number. The result is approximately 9.033 x 10^23 water molecules.
In chemistry, the amount of substance in moles is related to the number of particles (atoms, molecules) through Avogadro's number. Avogadro's number, which is 6.022 x 1023 particles/mol, tells us the number of molecules in one mole of a substance.
To calculate the number of water molecules in 1.50 mol of water, you would multiply the number of moles of water by Avogadro's number:
1.50 mol of water x 6.022 x 1023 water molecules/mol of water = 9.033 x 1023 water molecules
Therefore, there are approximately 9.033 x 1023 water molecules in a 1.50 mol block of ice.
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OB. Concentration
OC. Mass
OD. Volume
Molarity is a measure of concentration in a solution.
Molarity is a measure of concentration in a solution. It represents the amount of a solute dissolved in a given volume of solvent. Molarity is calculated by dividing the moles of solute by the volume of the solution in liters.
41.0 + 78.3 =
Ans: 1) 1.41
2) 119.3
While adding two numbers, the rule of significant figures requires that the number of decimal places in the final answer is equal to that of the term with the least decimal places
In the given examples:
1) 0.09 - has 2 decimal places
1.324- has 3 decimal places
Sum = 0.09 + 1.324 = 1.414
Round off to 2 decimal places = 1.41
2) 41.0 - has 1 decimal place
78.3- has 1 decimal place
Sum = 41.0 + 78.3 = 119.3
Final answer will also have 1 decimal place = 119.3
1. 1.141
2. 119.3
HOPE THIS HELPS.
Answer:
Diatomic Molecule
Explanation: