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kvasek [131]
2 years ago
8

A student sees a commercial that claims a new dishwasher is energy efficient. Compared to less efficient dishwashers, this means

the dishwasher is most likely to.
A. Cost less to run B. Use more water C. Cost less to buy D. Use more electricity
Chemistry
1 answer:
zaharov [31]2 years ago
4 0
It’s either a or b but I’m not sure
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An ionic compound has a very positive heat of solution in water. Would you expect it to be very soluble or insoluble in water?
sammy [17]
Ionic hydrogen is very easy to soluble metrial in the water
4 0
3 years ago
Describe how you could show that an alkaline solution is formed when caesium reacts with water
igor_vitrenko [27]
After reacting, place a red moist litmus paper into the final solution and the litmus paper will turn blue. This indicates that the solution is alkaline.
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3 years ago
I dont get dependent and independent variables if someone can explain it and give an example that wpould be great!​
Musya8 [376]
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5 0
3 years ago
Match the term with its description.
Ilia_Sergeevich [38]

pH(D) A compound that increases the hydroxide ions (OH-) when it is dissolved in a solution

8 0
2 years ago
Read 2 more answers
Nitroglycerin (c3h5n3o9) is a powerful explosive. its decomposition may be represented by 4c3h5n3o9 → 6n2 12co2 10h2o o2 this re
professor190 [17]
The balanced chemical reaction describing this decomposition is as follows:
<span>4c3h5n3o9 .............> 6N2 + 12CO2 +10H2O + O2

From the periodic table:
mass of oxygen = 16 grams
mass of nitrogen = 14 grams
mass of hydrogen = 1 gram
mass of carbon = 12 grams
Therefore:
mass of </span><span>C3H5N3O9 = 3(12) + 5(1) + 3(14) + 9(16) = 227 grams
mass of O2 = 2(16) = 32 grams

From the balanced chemical equation:
4(227) = 908 grams of </span>C3H5N3O9 produce 32 grams of O2. Therefore, to know the amount of oxygen produced from 4.5*10^2 grams <span>C3H5N3O9, all we need to do is cross multiplication as follows:
amount of oxygen = (4.5*10^2*32) / (908) = 15.859 grams</span>
7 0
3 years ago
Read 2 more answers
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