Answer:
cake
Explanation:
now here me out, no cake is specified so i can say i want a cake that has pizza on it, take off the pizza, and eat it, this goes with any other food without me having to eat the cake
Answer:
When universal indicator is added to a solution, the color change can indicate the approximate pH of the solution. Acids cause universal indicator solution to change from green toward red. Bases cause universal indicator to change from green toward purple.
Explanation:
Advantages of using tidal energy:
-Environment-friendly
-A highly predictable energy source
-High energy density
-Operational and maintenance costs are low
-An inexhaustible source of energy
Disadvantages of using tidal energy:
-High tidal power plant construction costs.
-Negative influence on marine life forms.
-Location limits.
-The variable intensity of sea waves.
Molar mass Cu = 63.546 g/mol and AgNO₃ = 169.87
<span>1 Cu + 2 AgNO</span>₃<span> -> 1 Cu (NO</span>₃<span>)</span>₂<span> +2 Ag
</span>
63,546 -------- 2 * 169.87
? g Cu ------- 45.0
Mass ( Cu ) = 45.0 * 63,546 / 2 * 169.87
Mass ( Cu ) = 2859,57 / 339,74
Mass = 8.4169 g of Cu
hope this helps!