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madreJ [45]
3 years ago
10

if the temperature increases and the barometric pressure Falls then which symbols will denote this on a weather map

Chemistry
2 answers:
ohaa [14]3 years ago
5 0

Warm, moist air mass is approaching as a warm front. Is the answer


Likurg_2 [28]3 years ago
5 0

The answer is, warm, moist air is approaching as a warm front.

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How do you balance the equation Hydrogen plus Oxygen yield water?
Andre45 [30]
Hey there! Hello!

Not sure if you still need the answer to this question, but I'd love to help out if you do. 

So, the way to balance this equation is pretty simple. First, you need to keep in mind that molecules of hydrogen and oxygen do not come in single molecules, but in bonded pairs, represented by H2 and O2. 

H2+O2=H2O

But, that's incorrect. The combination of 2 hydrogen molecules with 1 oxygen molecule yields water, but that leaves one oxygen molecule leftover. When broken down, this is how many of each molecule is on each side of the previously stated equation:

Left:
H: 2
O: 2

Right:
H: 2
O: 1

So we have to multiply H2O on the right side by 2 in order to get this:

H2+O2=2(H2O)

Left: 
H: 2
O: 2

Right: 
H: 4
O: 2

The last step is to multiply H2 on the left by two to make it match up with the right side, balancing the equation:

2(H2)+O2=2(H2O)

Left: 
H: 4
O: 2

Right: 
H: 4
O: 2

That makes our equation balanced! I hope this helped you out, feel free to ask any additional questions if you need further clarification. :-)
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3 years ago
A student is quickly pipetting 129ul water and observes many bubbles in the tip. You as the second student demonstrate the corre
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Push the pushbutton to the first stop before inserting the tip into the solution, and then put the tip in the solution tube.
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