Answer:
The other bulb continues to glow with the same brightness
Explanation: If one bulb blows out, it acts as an open circuit. Current does not flow in that branch but it continues to flow in the other branch of the parallel circuit. Hence the other bulb continues to glow. Also the voltage across other bulb remains the same due to which power delivered to it remains the same so it continues to glow with the same brightness.
Explanation:
Group 1: alkali metals.
Group 2: alkaline earth metals.
Group 11: coinage metals (not an IUPAC approved name)
Group 15: pnictogens (not an IUPAC approved name)
Group 16: chalcogens.
Group 17: halogens.
<span>Group 18: noble gases.</span>
Answer:
A coefficient is a number that is multiplied by a variable of a single term or the terms of a polynomial.
Explanation:
For example, in the term 7x, 7 is the coefficient. I know this because I took tons of notes in math.
Answer:
7.96g, 33.79%
Explanation:
I'll try my best to explain the entire process behind this question ;)
From the question, you can write the reaction
Now, there are a few reasons it is like this. Oxygen is a diatomic element, meaning it doesn't and can't exist as just O. It exists as O₂. To balance, this, double the amount of water and hydrogen so there is an equal amount of each element on both sides of the reaction (4 H's, 2 O's on the reactant side, and 4 H's, 2 O's on the product side).
From this we can get a mole-to-mole ratio.
Onto the stoichiometry. Our goal in this is to convert from grams of water to grams of hydrogen, and we do so with a mole to mole ratio.
Basically, what I did was divide by water's molar mass to get moles of water, multiplied by the mole-to-mole ratio (2:2) to get moles of H2, and then multiplied by H2's molar mass to get what should be the amount of H2 produced by the reaction.
For percent yield, you can calculate it is such:
Plug the numbers in:
So, the percent yield is 33.79%
Noah mall of hydrogen does not the see math as a more with oxygen because hydrogen is more strong and powerful than oxygen oxygen can increase the rating of the volume