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laila [671]
3 years ago
14

A screw is made up of

Chemistry
1 answer:
tatuchka [14]3 years ago
5 0
I believe it is treads
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Rank the following carboxylic acids from strongest (1) to weakest (4)
Paha777 [63]

Answer:

CH2FCOOH > CH2ClCOOH > CH2BrCOOH > CH3COOH

Explanation:

CH2FCOOH > CH2ClCOOH > CH2BrCOOH > CH3COOH

More electronegative atom of halogen is , stronger acid will be.

6 0
3 years ago
How many molecules of Iron(II)oxide are present in 35.2*10^-23 g of Iron (II)oxide?
slava [35]

Answer:

R.F.M of Iron (II) oxide :

{ \tt{ = (56 \times 2) + (16 \times 3)}} \\  = 160 \: g

Moles :

{ \tt{ \frac{35.2 \times  {10}^{ - 23} }{160} }} \\  = 2.2 \times  {10}^{ - 24}  \: moles

Molecules :

{ \tt{ = 2.2 \times  {10}^{ - 24}  \times 6.02 \times  {10}^{23} }} \\  = 1.3244 \: molecules

4 0
3 years ago
What is the wavelength of a light of frequency 6.42 x 1014 Hz?
Dahasolnce [82]

Answer:

467 nm is the answer

Explanation:

IT'S the answer for

8 0
3 years ago
PLEASE HELP!!!! THIS IS DUE AT 12!!!!!​
Nina [5.8K]

Answer:

.

Explanation:

3 0
3 years ago
Determine whether the graph is that of a function by using the vertical-line test. If it is, use the graph to find (a) its domai
Ilia_Sergeevich [38]

Answer:

Following are the solution to this question:

Explanation:

If the draw a line perpendicular with y-axis thru the diagonal line check but it meets only one curved point, therefore the curve indicates a function not otherwise.  They draw a vertical line perpendicular to the y-axis there, it just intersects one more chart point, which is why a graph is a feature:

In point a:

\to Domain= [-\pi ,\pi ]\\\\\to Range = [-1,1]

In point b:

Its y-axis length cut also by understanding the benefits of y-interception and the x-axis length gives the x-intercept.  

\to y-intercept = 1\\\\\to x-intercept = \frac{\pi}{2} ,- \frac{\pi}{2} \\\\

In point C:

Every graph is y-axis symmetric because the left side of the column as well as the middle side of the graph is about the same.

3 0
3 years ago
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