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taurus [48]
2 years ago
5

What kind of graph would use for this data? The months of the year and the amount of rainfall, and why

Chemistry
1 answer:
Digiron [165]2 years ago
6 0

Answer:

A Desert Climatogram is a graph that shows the temperature and rainfall, for each month in the year, for the Desert.

Explanation:

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why do we heat the test tube in a glass beaker during a chemistry experiment and not directly over a flame?
bearhunter [10]
It is not directly over a flame because it depends on the substance you might not want to heat it too much.you never know what could happen
7 0
3 years ago
Which element in Group 18 of the Periodic Table has the highest lonization energy?
Kruka [31]

all the elements in group 18 are Nobel gases or inert gases . all the elements such as neon , helium, argon etc. ,their outermost shell is completely filled . The noble gases have the largest ionization energies, reflecting their chemical inertness

4 0
3 years ago
If you had 15 molecules of H2 and an unlimited supply of N2, how many
Masja [62]

Answer:

10 molecules of NH₃.

Explanation:

N₂ + 3H₂ --> 2NH₃

As the N₂ supply is unlimited, what we need to do to solve this problem is <u>convert molecules of H₂ into molecules of NH₃</u>. To do so we use the <em>stoichiometric coefficients</em> of the balanced reaction:

  • 15 molecules H₂ * \frac{2moleculesNH_3}{3moleculesH_2} = 10 molecules NH₃

10 NH₃ molecules could be prepared from 15 molecules of H₂ and unlimited N₂.  

8 0
3 years ago
Use mathematics to prove that the 5.50 grams of salicylic acid (C7H6O3) used in this experiment is equal to 0.04 mol.
g100num [7]

Answer:

Please find the answer to the question below

Explanation:

In chemistry, the following mathematical formula is used to calculate the number of moles contained by a substance:

mole = mass of substance (g)/molar mass of substance (g/mol)

Molar mass of salicylic acid (C7H6O3) = 12(7) + 1(6) + 16(3)

= 84 + 6 + 48

= 138g/mol

Mass = 5.50grams

mole = 5.5/138

mole = 0.039

Approximately, the number of moles of 5.5grams of salicylic acid is 0.04moles. This is in accordance with the mole value (0.04) given in this question.

7 0
3 years ago
A mineral breaks into flat sheets when struck with a rock hammer. Which property of a mineral is being measured? A. streak B. cl
Aleonysh [2.5K]
The answer is the hardness
8 0
3 years ago
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