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zlopas [31]
3 years ago
12

Three students use a meterstick with millimeter markings to measure a length of wire. Their measurements are 3 cm, 3.3 cm, and 2

.87 cm,
respectively. Explain which answer was recorded correctly.
Chemistry
2 answers:
Volgvan3 years ago
7 0

Answer: 3 cm

Explanation:

andreev551 [17]3 years ago
3 0
The answer is 3 I had this two
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3 years ago
Calculate the molarity of 0.060 moles NaHCO3 in 1500. mL of solution
Jobisdone [24]

Answer:

= 0.4 M

Explanation:

data:

moles = 0.060 moles

volume = 1500 ml

             = 1500 / 1000

              = 1.5 dm^3

solution;

      molarity = \frac{no. of moles}{volume in dm^3}

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5 0
2 years ago
What reaction would the chemical equation 2H2O --> 2H2+O2 represent? A) Replacement Of Water B) Combustion of water c) decomp
aniked [119]

Answer;

C. Decomposition of water

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A decomposition reaction occurs when one reactant breaks down into two or more products.This can be represented by the general equation: AB → A + B. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.

The equation for the decomposition of water; 2H2O --> 2H2+O2


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4 years ago
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