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Alexeev081 [22]
3 years ago
11

Which lunar phrase follows a waning crescent phase?

Chemistry
1 answer:
irakobra [83]3 years ago
3 0
A third quarter follows a waning crescent.<span />
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inn [45]
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3 years ago
I need Helpppp with my chemistry while we are out of school. I don't have a good teacher and he's not helping since it's his las
9966 [12]

Answer:

im not sure but I hope this helps

Explanation:

I believe the equivalents is just the moles reactant/moles limiting reactant

water has a denisty of 1 g/mL. 1 L is 1000 ml so there are 1000g/L.

the molar mass of water is 18g/mol if you use the Liters in the equation above you can find the number of grams present. divide this number you found by 18 to find the moles.

now take the amount of the other reactant given and divide it by its own molar mass. this will give you the number of moles of that reactant.

divide the moles of water by the moles of the reactant and that is the equivalent.

to find the normality you take this number and divide it by the number of liters.

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3 years ago
Name a food that contain an acid​
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name a food that contain an acid

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3. meat

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You measure salt water in a tank to have a density of 1.02 g/mL. A balloon weighs 2.0 g and you weights have a mass of 30.0 g ea
Elden [556K]

Weight of the balloon = 2.0 g

Six weights each of mass 30.0 g is added to the balloon.

Total mass of the balloon = 2.0 g + 6*30.0 g = 182 g

Density of salt water = 1.02 g/mL

Calculating the volume from mass and density:

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Converting the volume from mL to cubic cm:

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Assuming the balloon to be a sphere,

Volume of the sphere = \frac{4}{3}πr^{3}

178 cm^{3} = \frac{4}{3}(\frac{22}{7})r^{3}

r = 3.49 cm

Radius of the balloon = 3.49 cm

Diameter of the balloon = 2 r = 2*3.49 cm = 6.98cm


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3 years ago
What is the chemical formula of (Sodium hydroxide ) ??​
Margaret [11]

\huge{ \color{black}{ \boxed{ \color{hotpink}{Answer}}}}

what is the chemical formula of (Sodium hydroxide ) ??

<h3> ⚘ NaOH</h3>
  • Sodium hydroxide, Sodium oxidanide

\:

\large\tt\:⚘ \: MishiChaeYoon \: ⚘

4 0
2 years ago
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