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creativ13 [48]
3 years ago
8

Ann believes that carbohydrates store more energy than lipids. Nicco believes that lipids store twice as much energy as carbohyd

rates. Who is correct?
Chemistry
2 answers:
mash [69]3 years ago
4 0
Out of all the choices, Nicco is correct.
mojhsa [17]3 years ago
4 0

Answer: Nicco is correct

Explanation:  Carbohydrate and Lipids are both involved in the process of the storage of the energy but carbohydrate stores energy for short time and lipids store it for a long term.

Lipids do store twice as much energy as carbohydrates because the energy per gram value in case of lipids is higher than that of carbohydrates.

Thus nicco's belief is correct regarding the storage of energy which is higher in lipids than carbohydrates.

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GIVING 20 POINTS!! Apply Concepts Two chemists each plan an investigation in which they will combine hydrogen gas with chlorine
Montano1993 [528]

Answer:

Yes, the investigations will reach similar conclusions about the reactivity of H2 and Cl2

Explanation:

1. The law of multiple proportions says that when elements form compounds, the proportions of the elements in those chemical compounds can be expressed in small whole number ratios.  This means that regardless of whether 1000 times more of the products are used, the reactivity of the products is established by the chemical reaction

2. The law of multiple proportions is an extension of the law of definite composition, which states that compounds will consist of defined ratios of elements.

3. A reaction with more reactants will need more care because more products are produced, which can be toxic

4. H2 and Cl2 reactivity does not depend on the quantities but the chemical properties of each compound

5 0
3 years ago
If a gas has a volume of 3.20 L at 273 K, what will be its new volume at 373 K?
jarptica [38.1K]

Answer:

Explanation:

Example #1: How many moles of oxygen will occupy a volume of 2.50 L at STP? Standard ... What is the volume of gas at 2.00 atm and 200.0 K if its original volume was ... P2 = 2.00 atm 2.000tm) 273k. T=273k. 200.0k. Tz= 200.0k. V, = 200.0L ... A gas has a pressure of 0.370 atm at 50.0°C. What is the pressure at standard.

3 0
3 years ago
Which species acts exclusively as spectator ions in this reaction
adelina 88 [10]

Answer:

K^+ and NO3^-

Explanation:

In a balanced ionic equation, we usually see the species that react to yield the main product in the reaction.

Consider the reaction;

Pb(NO3)2(aq) +2 KI(aq) -------> PbI2(s) + 2KNO3(aq)

The main product in this reaction is PbI2. Hence the balanced ionic equation is;

Pb^2+(aq) + 2I^-(aq) ------> PbI2(s)

Notice that K^+ and NO3^- did not participate in this reaction. All ions that are part of the molecular equation but do not participate in the ionic reaction equation are called spectator ions. Hence K^+ and NO3^- are spectator ions in this reaction as can be seen clearly above.

4 0
3 years ago
What is 8.3 x 10^4 in standard form
seraphim [82]

Explanation:

83,000 is 8.3x10^4 in standard form

when it's a positive move decimal to the right as many as exponent say

if it's negative move decimal to left and and zeros till you move what exponent says

8 0
2 years ago
How many moles of HCl are required to completely neutralize 0.30 moles of Ca(OH)2?
hammer [34]
Each mole of Ca(OH)₂ will produce 2 moles of OH- ions

Each mole of OH- ions will require one mole of H+ ions

Thus,
moles of OH- ions = moles of H+ ions = 2 x 0.3
moles of H+ ions required = 0.6

Each mole of HCl will produce one mole of H+ ions
Moles of HCl = moles of H+ ions
Moles of HCl = 0.6
3 0
3 years ago
Read 2 more answers
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