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Serhud [2]
3 years ago
9

Which of the following is not a valid conversion factor? 1/100 centimeter 1mL/1cm^3 1kilometer/1000 meters 1meter/10 milimeters

Chemistry
2 answers:
Drupady [299]3 years ago
8 0
1meter/10 milimeters which should be 1000 mm

1m=1000mm

<span>International System of Units (SI Units) are organized body of measurements for physical quantity. They are set to be the norm or global norm scaling for every physical quantity which includes kilogram, meter, second, ampere, kelvin, candela and mole. These measurements then can increase or decrease by the power of ten, multiplied or divided. As said and explained, the SI is helpful in describing objects because </span>
<span><span>1.       </span>They give us the idea of how much matter is contained in that single substance or the current state the matter is in or how hot or cold. We measure and can quantify the quality of the specific matter.</span> <span><span>
2.       </span>SI Units are a global set of measurement hence, we can communicate with ease from western to eastern countries with these measurements without having problems in terms of portraying or displaying a set of physical quantities.</span> 



Romashka-Z-Leto [24]3 years ago
4 0

Answer:hello

Explanation:

Task masters

Is correct! It should be answer(4) or (D)

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Boiling water produces gas bubbles. Is this evidence of a chemical reaction? Yes or no?
STALIN [3.7K]
No,as it is a reversible reaction ,steam changes to water on cooling
5 0
4 years ago
Read 2 more answers
A meal containing a burger, fries, and a milkshake contains 53.0 grams of fat, 38.0 grams of protein, and 152 grams of carbohydr
RSB [31]

Answer:

286 minutes

Explanation:

Given the content of fat in a meal= 53g

the content of protien in a meal= 38g

the content of carbohydrate in a meal= 152g

Also given that fuel value of protien = 17 KJ/g

the fuel value of fat = 38 KJ/g

the fuel value of carbohydrate = 17 KJ/g

Now to burn all the molecules the energy recquired is content of molecule times the fuel value.

the energy recquired to burn fat = 53\times 38=2014KJ

the energy recquired to burn protien = 38\times 17=646KJ

the energy recquired to burn carbohydrate =152 \times 17=2584KJ

The total energy=2014+646+2584=5244KJ

The energy spent on swimming is 1100KJ/hour

for 1 hour 1100 KJ are spent

to spend 5244 KJ of energy the time taken is = \frac{5244}{1100}=4.76hours

We know 1 hour=60 minutes

The total time = 4.76\times 60=286minutes

6 0
4 years ago
What is in with those numbers? H2O?
vlabodo [156]

Answer:

hydrogen atom and oxygen atom

8 0
3 years ago
A 0.72-mol sample of PCl5 is put into a 1.00-L vessel and heated. At equilibrium, the vessel contains 0.40 mol of PCl3 (g) and 0
astra-53 [7]

Answer:

Equilibrium constant is 0.4

Explanation:

We propose the equilibrium:

                 PCl₅(g)    ⇄    PCl₃(g)   +    Cl₂(g)

Initially    0.72 mol

We have the 0.72 moles of the PCl₅.

React           x                      x                  x

X amount has reacted, so in the equilibrium we have:

               0.72 - x              0.4               0.4

If we initially have 0.72 moles and we have 0.4 moles at the equilibrium, it means that 0.3 moles has been reacted.

Let's make the expression for Kc:

Kc = [PCl₃] . [Cl₂] /  [PCl₅]

Kc =  0.4 . 0.4 / 0.4

Kc = 0.4

4 0
3 years ago
What element has Atom of 47​
Ira Lisetskai [31]
Sliver symbol Ag the atomic number is 47
3 0
3 years ago
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