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Shalnov [3]
3 years ago
6

Examples of accurate but imprecise measurements

Chemistry
1 answer:
Eddi Din [679]3 years ago
8 0
Accuracy is how close a value is to its true value. An example is how close an arrow gets to the bull's-eye center. Precision is how repeatable a measurement is. An example is how close a second arrow is to the first one (regardless of whether either is near the mark).
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7). Which material has the highest melting point? A. ammonia B. methane C. sodium chloride D. water .with explanation every opti
Arte-miy333 [17]

Answer:

sodium chloride

Explanation:

Because of the strong ionic bonds it possesses

8 0
2 years ago
Dhhdhd d jejnen r nejr
Marianna [84]

Answer:

Okay so my wifi is slow. How are you!

Explanation:

I don't see an image so I assume it's free points.....thank you! But if there is an image let me know! and Brainliest?? Pretty please!

8 0
3 years ago
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What is the net force acting on a teddy bear being pulled to the right 67N and to ghe left 112N
noname [10]
|F|  = 112 - 67 = 45 N 

F = 45 N ( to the left)
3 0
3 years ago
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2. A compound with the following composition by mass: 24.0% C, 7.0% H, 38.0% F, and 31.0% P. what is the empirical formula
Svetach [21]

Answer:

C₂H₇F₂P

Explanation:

Given parameters:

Composition by mass:

                C = 24%

                H = 7%

                 F  = 38%

                 P  = 31%

Unknown:

Empirical formula of compound;

Solution :

The empirical formula is the simplest formula of a compound. To solve for this, follow the process below;

                                   C                          H                         F                   P

% composition

by mass                     24                          7                        38                  31

Molar mass                 12                           1                         19                  31

Number of

moles                       24/12                          7/1                    38/19           31/31

                                     2                               7                       2                   1

Dividing

by the

smallest                      2/1                             7/1                       2/1                1/1

                                     2                                7                        2                   1

           Empirical formula        C₂H₇F₂P

5 0
3 years ago
A solution containing 1.0 M NiCl2 and 1.0 M SnBr2 undergoes electrolysis by passing a current between two platinum electrodes. W
scoray [572]

Answer:

Sn2+ (aq) + 2e- → Sn(s) ℰ° = -0.14 V

Explanation:

A close look at all the options shows that the most feasible first reaction is the reduction of tin II ion to ordinary metallic tin.

Given the two half cells, nickel is oxidized in one half cell to Ni II while in the second half cell, tin II ion is reduced to metallic tin. The platinum electrodes simply act as electron conduits in the cell.

4 0
3 years ago
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