Hey there !
The answer is C. build up of electrical charges by friction
Static electricity is a stationary electric charge, typically produced by friction, which causes sparks or crackling or the attraction of dust or hair.
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<h3><u>Answer;</u></h3>
Step 1; NaHCO3(s) + CH3COOH(l)
Step 2 ; CO2(g)
<h3><u>Explanation;</u></h3>
- The chemical equation for the reaction of baking soda (sodium bicarbonate, NaHCO3) and vinegar (acetic acid, CH3COOH) reaction occurs in two steps.
Step 1;
- A double displacement reaction in which acetic acid in the vinegar reacts with sodium bicarbonate to form sodium acetate and carbonic acid:
- Equation;
NaHCO3(s)+ CH3COOH(l) → CH3COONa(aq) + H2CO3(l)
Step 2;
- Carbonic acid is unstable and undergoes a decomposition reaction to produce the carbon dioxide gas:
H2CO3(l) → H2O(l) + CO2(g)
the known density of the liquid is
the density of a liquid
Thus, experimental error of 0.0108 g /mL is present.
Thus, Percentage error of 7.31 % is present.
Answer:
37
Explanation:
Atomic mass is the sum of protons and neutrons in an atom.
Answer:
1) Reaction rate= 0.001230 M/s
2) Reaction rate= 0.001052 M/s
3) Reaction rate=0.000855 M/s
Explanation:
Average Rate of the reaction is defined as rate at any instant of time is the rate of change in concentration of any one of the reactants or products with respect to particular time.It is given as;
: concentration at time respectively.
1) Interval: 0 s to 195 s
2) Interval: 195 s to 556 s
3) Interval: 556 s to 825 s