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vlada-n [284]
3 years ago
10

What type of particles move to create electicity? electrons protons neutrons

Chemistry
1 answer:
sladkih [1.3K]3 years ago
5 0

the answer is electrons.....

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Which statement describes an investigation to determine a chemical property? A. determining the reactivity of baking soda and vi
Vika [28.1K]

Answer:

Explanation:

A gives off a visible gaseous product when the two are mixed.

The others all talk about physical properties like phase changes and densities.

5 0
2 years ago
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If 1.80 moles of NaCl was dissolved in enough water to make 3.60 L of solution, what is the Molarity?
sweet-ann [11.9K]

Answer:

0.5M

Explanation:

The equation for molarity is:

  • M = \frac{mol}{liters} ; where the "M" stands for molarity, the "mol" stands for moles of solute and the "liters" means the volume in liters of solution.

We are given that there are:

  • 1.80 moles of NaCl (the moles of solute)
  • 3.60 Liters of solution (the volume in liters of solution)

Now we just plug those numbers into the formula and get our answer:

  • M= \frac{1.80mol}{3.60L}= 0.5M

After doing the math and dividing the moles of solute by the liters of solution, we get that the molarity of the solution is 0.5M.

8 0
3 years ago
A new penny has a mass of 2.49 g and a volume of 0.349 cm3. Is the penny made of pure copper?
velikii [3]
Yes it is. Copper is the same mass and volume. Plus all pennies are made of copper
7 0
3 years ago
I need help ASAP........
Luba_88 [7]

Answer:

sodium hydroxide and hydrochloric acid is the reactants

7 0
3 years ago
How much energy is required to melt 35.4 g of gold?
kap26 [50]

Answer:

To determine the amount of heat the gold has absorbed to melt, we simply multiply the mass of the block of ice to the heat of fusion of water which is given above. We calculate as follows:

Heat = 20.0 g (35.4 g)

Heat = 1290 J

4 0
3 years ago
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