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jolli1 [7]
3 years ago
5

Why is a foaming antacid tablet fizzing in water a chemical change?

Chemistry
1 answer:
vagabundo [1.1K]3 years ago
8 0
A chemical change refers to a process by which a substance becomes a new and different substance. The fizzing of the tablet (also called effervescence) indicates that a gas is being produced. The gas being produced is an indication of a chemical reaction. A chemical reaction is a process in which substances undergo physical and chemical changes that result in the formation of new substances that have different properties.  
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Cant really explain, for say, but its D.-ide

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7 0
3 years ago
An aqueous solution contains
ivolga24 [154]

Answer:

32.7

Explanation:

I just did it and got it right

4 0
3 years ago
Calculate the amount of ATP in kg that is turned over by a resting human every 24 hours. Assume that a typical human contains ~5
valentinak56 [21]

Answer:

The correct answer is 66.35 kilograms.

Explanation:

Based on the data given in the question, the energy consumed by the body of a human being is 50%. Based on the given data, the energy consumed in a day is 8000 kJ, 50 percent is the energy transfer efficiency. Thus, the consumption of total energy is 4000 kJ, and for the transformation of ADP to ATP, the energy involved is 30.6 kJ per mole.  

Hence, the total ATP produced in the process is,  

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= 130.7189 mol.  

Thus, with the energy transfer efficiency of 50 percent, the total moles of ATP produced is 130.7 mol.  

The mass of ATP can be calculated by using the formula,  

moles = mass/molecular mass

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Now by putting the values we get,  

mass of ATP = 130.7189 mol * 507.18 g/mol

= 66298.011 g or 66.298 kg

It is mentioned that human comprise 50 g of ATP or 0.05 kg of ATP. Therefore, the sum of the available ATP will be.  

= Total production of ATP + Total ATP available

= 66.298 kg + 0.05 kg

= 66.348 kg

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5 0
3 years ago
The periodic table includes all of the known elements in the world. how are elements arranged on the periodic table?
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3 years ago
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I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
8 0
3 years ago
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