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Alexxandr [17]
4 years ago
13

Why is it important to know your variables when conducting an investigatory problem  ?

Chemistry
1 answer:
Juli2301 [7.4K]4 years ago
5 0
You can harm ur self if you dont know variables . Bcs the values of  variables should limit.
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While in Europe, if you drive 107km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter
Mumz [18]
That's a lot of conversions...
107*7 = 749km in one week
749/1.6 = 468.125 miles
468.125/39 = <span>12.0032051282 gallons of fuel needed
</span>1 gallon = 4.54609 litres
1.1(Cost per litre)*4.54609(Number of litres per gallon)*12.0032051282(Number of gallons needed) = <span>60.0244158814 euros cost per week
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7 0
3 years ago
Read 2 more answers
How many moles are in 635 grams of LiOH?
Dafna11 [192]

Answer:

the answer is 0.041756547635452 we assume you are coverting between moles LiOH and gram

Explanation:

you can view details on each measurements units:monecular weight of LiOH or grams this compound is also known as lithium hydroxide the si base unit for amount of substance is the moles1 moles qual1 moles LiOH..... Sana makatulong sayo lods ang answer ko

5 0
3 years ago
Realizar los isomeros geométricos para las siguientes estructuras: 2-hepteno y Ácido 2-butenoico
kramer

Answer:

The cis-trans isomerism (or geometric isomerism ) is a type of stereoisomerism of alkenes and cycloalkanes . A distinction is made between the cis isomer , in which the substituents are on the same side of the double bond or on the same face of the cycloalkane. This is an electronic version in English. [ 1 ]

Their characteristics are:

They both have the same formula.They have different chemical and physical properties.The IUPAC advises against the use of the term geometric isomerism. [ 2 ]

4 0
3 years ago
How many grams of CO2 will be produced from 12.0 g of CH4 and 133 g of O2 ?
Gala2k [10]

Answer:

145

Explanation:

12.0+133=145 grams

4 0
3 years ago
Which element can expand its valence shell to accommodate more than eight electrons? which element can expand its valence shell
Anvisha [2.4K]
<span>According to octet rule,  atoms with an atomic number less than 20 tend to combine  with other atom such that both of these atoms have eight electrons in their valence shells, which gives them the same electronic configuration as that of noble gas.

However, there are few compound that donot obey octel rule. Among the elements mentioned above i.e. oxygen and helium obeys octet rule.

In case of nitrogen, oxide of nitrogen (like NO and NO2) have incomplete octet. 

While there are few compounds of Br wherein Br has expanded octet. For example, in BrF5, Br has 12 electrons in valence shell. </span>
3 0
3 years ago
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