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sp2606 [1]
3 years ago
11

13. What is a falling objects speed at 6s? 9s? 112s?

Chemistry
1 answer:
il63 [147K]3 years ago
7 0

Answer:

depepends on the height

Explanation:

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When correctly balanced using the smallest whole number coefficients, what is the coefficient of copper in the following formula
yan [13]
The answer is 2. this makes the equation 2Cu + S8 —> Cu2S
4 0
3 years ago
What often occurs at a transform plate boundary (like the San Andreas Fault in California)? *
Zarrin [17]
It’s earthquakes


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4 0
3 years ago
I am using all my points to ask this. please help
ELEN [110]

Answer:

C5H7N

C10H14N2

Explanation:

ok so lets lay out this nicely

elements                                                         C              H         N                    

percentage                                                    74             8.7       17.3

mass number                                                 12              1          14

divided percentage by mass                        6.167          8.7      1.2357

now divide the smallest number with the 4.99            7.04    1

rest for instance 1,237 is the smallest.    

so 6.167÷1,237

and 8.7 ÷1.237

and 1,237 divide 1.237    

now the ratio is                              C5H7N

now for molecular formula find Mr of C5H7N which is (12×5)+7+14=81

next divide 162.1÷81=2

so now for molecular formula just multipily everythng by 2

C10H14N2

5 0
3 years ago
An experiment requires 42.5 g of sulfuric acid, which is easier to measure by volume than by mass what voliume should be measure
kodGreya [7K]

<span>Using proportions, if x is the unknown volume we have: 
1.84 / 1 = 42.5 / x </span>

<span>
Multiply both sides above by x: 
1.84*x / 1 = 42.5
1.84*x = 42.5 
Divide both sides by 1.84: 
x = 42.5 / 1.84</span>

<span>X = 23.10 mL</span>

5 0
3 years ago
Read 2 more answers
How many 10 x 10 x 10” boxes Cane Bay pack into a crate that is 30 x 30 x 30
madam [21]

Answer:

its 3

3 x 10 = 30

-Hops

Explanation:

6 0
3 years ago
Read 2 more answers
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