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What is 925 n on silver?
925 on silver refers to the purity of the silver, indicating that the piece is made of 92.5% pure silver and 7.5% another metal, usually copper. This is a common standard for sterling silver, which is commonly used for jewelry and silverware.
What is the oxidation number for N in K3Fe(CN)6?
The oxidation number of nitrogen (N) in K3Fe(CN)6 is -3. This is because cyanide (CN) ion has a charge of -1 and there are three cyanide ions coordinated to one nitrogen atom in the complex ion formula.
What is the chemical formula for cyanide?
It is normally written CN-. The best way I can explain it here is that there is a triple bond between carbon and nitrogen, and each has one lone pair of electrons, such that it satisfies the octet rule. Since there are only 3 bonds to carbon, and it has a lone pair, the carbon will bear the majority of the negative charge, while the nitrogen will be neutral
How many moles of Al(CN)3 are in 163 grams of the compound?
To find the number of moles of Al(CN)3 in 163 grams, you need to first calculate the molar mass of Al(CN)3. The molar mass of Al = 26.98 g/mol, C = 12.01 g/mol, N = 14.01 g/mol. Add these together with the appropriate subscripts for the compound to get the molar mass of Al(CN)3. Then, divide the given mass (163 g) by the molar mass to find the number of moles.
What is the molecular formula for carbohydrates?
Carbohydrates have the general molecular formula Cn(H2O)n, where n is the number of carbon atoms. This formula indicates that carbohydrates consist of carbon, hydrogen, and oxygen atoms in the ratio of 1:2:1.
What does N CN mean on jewelry?
Sterling silver
What does a men's Gold Figaro bracelet stamped 925 Italy and H A N mean?
925 silver purity, made in Italy by Han
What does 925 N mean?
"925 N" typically refers to a measurement of force, specifically 925 Newtons. The Newton (N) is the SI unit of force, defined as the amount of force required to accelerate a one-kilogram mass by one meter per second squared. Therefore, 925 N represents a significant amount of force that can be applied in various physical contexts, such as engineering or physics.
What do the letters C and N mean in the name CN Tower?
The CN stands for Canadian National. The people who built it.
What is 925 n on silver?
925 on silver refers to the purity of the silver, indicating that the piece is made of 92.5% pure silver and 7.5% another metal, usually copper. This is a common standard for sterling silver, which is commonly used for jewelry and silverware.
how to convert csp to cn?
-sp +n and you are there
What is the the formula of a carbohydrate molecule?
Cn(H2O)n
What is does tha inside of ring mean?
My sister found a ring with a red stone n some smaller stones. The markings on the inside say cw 925 THA. What does this mean?
Rearrange the following equation so that n is the subject C equals 30n plus 295 over n-5?
Do you mean C = (30n+295) over (n-5)? If so then the solution is quite straightforward: C = (30n+295) over n-5 Multiply both sides of the equation by n-5 to eliminate the fraction: C(n-5) = 30n+295 Multiply out the brackets and bring over 295 to the LHS which now will be -295: Cn-5C-295 = 30n Collect like terms by bringing over Cn to the RHS which now will be -Cn: -5C-295 =30n-Cn Factorising 30n-Cn = n(30-C): -5-295 = n(30-C) Divide both sides of the equation by 30-C to make n the subject of the equation: n = (-5C-295) over (30-C) Check that your answer is correct by giving a value to C. For instance if C = 100 then n would = 159/14
What is the latitude and longitude of the CN Tower?
CN Tower, Canada: 43.642570, -79.387057
What is the oxidation number for N in K3Fe(CN)6?
The oxidation number of nitrogen (N) in K3Fe(CN)6 is -3. This is because cyanide (CN) ion has a charge of -1 and there are three cyanide ions coordinated to one nitrogen atom in the complex ion formula.
What would be the effective capacitance if two capacitors are connected in parallel?
A: the capacitance will increase. in series it will decrease accordingly CPARALLEL = Summation1-N (CN) CSERIES = 1 / Summation1-N (1 / CN)
