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gavmur [86]
2 years ago
8

What mass of Ca(OH)2 will be used to make 45.6g of NaOH?

Chemistry
1 answer:
BartSMP [9]2 years ago
6 0

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Cyanide poisoning can occur when compounds such as sodium cyanide dissociate in water to produce cyanide ions. what is the formu
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Eezy real talk ma frend!
The fromula for sodium cyanide is NaCn.
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2 years ago
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Which of the following are SI units? Select<br> all that apply.
Dimas [21]
<h3>Answer:</h3>

Seconds (s)

Liters (L)

<h3>Explanation:</h3>

SI units relate to the International System of Units. These units are the base, metric units that are most commonly accepted for different measurements.

Common SI Units

The most common SI units are as follows:

  • Length - meter (m)
  • Time - second (s)
  • Mass - kilogram (kg)
  • Amount of substance - mole (mole)
  • Electric current - ampere (A)
  • Temperature - kelvin (K)
  • Volume - liter (L)

*Note that gram (g) is not an SI unit

Each type of measurement will only have 1 SI unit. This is the unit that will be expected for most answers. Sometimes this means converting an answer into a different unit so it is more widely accepted.

Why SI Units are Important

SI units are important for the same reason that the metric system is used. It gives a standardized list of measurements that scientists across the world can use. Also, it makes it easier to compare scientific findings and studies when all of the measurements are given in the same units.

There are times when it is unrealistic to use SI units. For example, when discussing space, using meters will not be realistic due to the size of space. Also, when measuring the mass of small elements, kilograms are too large. But otherwise, SI units should be used.

3 0
1 year ago
Diatomic molecules will be ______ when they are composed of only one element.
Luden [163]
Diatomic molecules will be Nonpolar when they are composed of only one element.
3 0
3 years ago
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Combined gas law problem: a balloon is filled with 500.0 mL of helium at a temperature of 27 degrees Celsius and 755 mmHg. As th
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The statement of the combined gas law for a fixed amount of gas is,
PV/T = constant
Here, the units of pressure and volume must be consistent and the temperature must be the absolute temperature (Kelvin or Rankine).
0.65 atm is equivalent to 494 mmHg
Using the equation:
(755 x 500) / (27 + 273) = (494 x V) / (-33 + 273)
V = 3396 ml = 3.4 liters
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3 years ago
QUICKLY!!!!!
elixir [45]

Answer:

The ability to do work is energy.

Hope it helps!!!

8 0
2 years ago
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