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Flura [38]
3 years ago
12

What are two reasons why scientists use the metric system

Chemistry
2 answers:
fiasKO [112]3 years ago
7 0
1.) the metric system is universal
2.) this system of measurement makes it possible for scientists from all parts of the world to understand and agree upon the measurements taken within an experiment.
omeli [17]3 years ago
4 0
The metric system is used because it is based on the number 10. Ten is easy to use for mathematical operations and conversions.

It is also easy to use for scientific notation when you are referring to powers of ten. There are extremely large and extremely small numbers in science. Thus, scientific notation allows for accurate abbreviated ways to symbolize these numbers. For instance, if I were to say 1,000, in scientific notation it would be 1 x 10 ^3. If I was to say 1,000,000, I would scientifically write 1 x 10 ^6.  

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Give the postional isomers of 2 halopropane<br>(CH3)2CH​
s344n2d4d5 [400]

Give the positional isomers of 2 halopropane

(CH3)2CH​

answer:

    is in file download it

6 0
2 years ago
Which sequence contains elements listed from most reactive<br> to least reactive?
maxonik [38]

Answer:

Transition metals, alkali metals, alkaline earth metals Transition metals - Middle of the periodic chart, only average reactivity. alkali metals - As mentioned above, very reactive. Bad choice, going from lower reactivity to higher reactivity.

Hope this answer is right!

6 0
3 years ago
What is the frequency of infrared light of 1.0 × 10 m wavelength?
Anettt [7]
In order to find the answer you must plug in the information to the frequency equation, c=fv. C is the speed of light, 3.0 x 10^8. By plugging in the information you receive a frequency of 3.0 x 10^7 hz.
7 0
3 years ago
Once you have collected 40 mL of distillate, you should ________. turn off your hot plate lower your lab jack carelessly use you
sweet-ann [11.9K]

Answer:

Once you have collected 40 mL of distillate, you should ________.

turn off the hot plate and carefully lower the lab jack, making sure that no cords or hoses get caught in it.

Explanation:

Distillate is the product obtained from the process of distillation.  Distillation is the separation of components of a liquid mixture based on different boiling points. Distillation can be used to purify alcohol, for desalination, refining of crude oil, and for obtaining liquefied gases.  A lab jack is an essential tool that supports and lifts hotplates, glassware, baths, and other small lab equipment requiring stable surfaces at a specific height.

5 0
2 years ago
Hydrogen reacts with 0.771 g of carbon to form 0.90 g of a compound. What is the mass percent of hydrogen in the compound
andriy [413]
Hello!

Answer: 14.3%

Explanation: In order to find the mass percent of hydrogen in this compound, you must determine how many grams of hydrogen you'd get in 100 g of compound. 

In your case, you know that an unknown mass of hydrogen reacts with 0.771 g of carbon to form 0.90 g of hydrocarbon, which is a compound that contains only carbon and hydrogen. 

Use the total mass of the hydrocarbon to determine how many grams of hydrogen reacted with the carbon.

Now, if 0.90 g of this compound contain 0.129 g of hydrogen, it follows that 100 g of this compound will contain.

So, if 100 g of this compound contain 14.33 g of hydrogen, it follows that the mass percent of hydrogen is 14.3%


Hope this Helps! Have A WONDERFUL Day! :)

6 0
3 years ago
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