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Maksim231197 [3]
2 years ago
11

Pacing thresholds of temporary epicardial electrodes: Variation with electrode type, time, and epicardial position

Chemistry
1 answer:
Rudiy272 years ago
7 0

Pacing thresholds of temporary epicardial electrodes: Variation with electrode type of anxiety (low vs. high) and stress.

Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have negative effects on our electrodes health. Anxiety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are getting ready for a electrodes situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.

Learn more about anxiety here:

brainly.com/question/4913240

#SPJ4

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What does each period in the periodic table correspond to?
DedPeter [7]
Each period corresponds to a principal energy level.
3 0
4 years ago
How many moles of CuO are needed to react with 5.9 moles of CO2
Likurg_2 [28]

Answer:

If 5.9 moles of CO₂ react, 5.9 moles of CuO will also react.

Explanation:

The balanced reaction is:

CuO + CO₂ → CuCO₃

By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of each compound participate in the reaction:

  • CuO: 1 mole
  • CO₂: 1 mole
  • CuCO₃: 1 mole

You can see that the stoichiometric relationship between CuO and CO₂ is 1: 1. In other words, for each mole of CuO that reacts, one mole of CO₂ will also react.

So <u><em>if 5.9 moles of CO₂ react, 5.9 moles of CuO will also react.</em></u>

8 0
3 years ago
Magma is made of melted or ____ materials?
Phoenix [80]
Magma is made of molten rock. Melted of molten rock. Answer is rock.
7 0
3 years ago
Read 2 more answers
How much energy is evolved during the reaction of 51.2 g of al, according to the reaction below? assume that there is excess fe2
sesenic [268]

Answer : The amount of energy evolved during the reaction is, -807.696KJ.

Solution : Given,

\Delta H=-852KJ

Mass of Al = 51.2 g

Molar mass of Al = 27 g/mole

First we have to calculate the moles of Al.

\text{ Moles of Al}=\frac{\text{ Mass of Al}}{\text{ Molar mass of Al}}=\frac{51.2g}{27g/mole}=1.896moles

The balanced combustion reaction is,

Fe_2O_3+2Al\rightarrow Al_2O_3+2Fe

From the given reaction, we conclude that

As, 2 moles of Al evolved energy = -852KJ

So, 1.896 moles of Al evolved energy = \frac{-852KJ}{2moles}\times 1.896moles=-807.696KJ

Therefore, the amount of energy evolved during the reaction is, -807.696KJ.

8 0
3 years ago
If this same quantity of energy were transferred to 2.5 kg of water at it's boiling point what fraction of the water would be va
garik1379 [7]

Answer:

Fraction of water that can be vaporized = 0.0961 or 9.61%

<em>Note : The question is incomplete. The complete question is given below:</em>

<em>A serving of Cheez-Its releases 130 kcal (1 kcal = 4.18 kJ) when digested by your body.</em>

<em>If this same quantity of energy were transferred to 2.5 kg of water at its boiling point, what  fraction of the water would be vaporized?</em>

Explanation:

Energy released by a serving of Cheeze-Its = 130 kcal

Since 1 kcal = 4.18 kJ, 130 kcal = 130 * 4.18 kJ = 543.4 kJ

Heat of vaporization (evaporating or condensing) Hv, of water = 2260 J/g

From formula, quantity of heat, Q = mass  * heat of vaporization

mass of water = 2.5 kg = 2500 g

Q = 2500 g * 2260 J/g

Q  = 5650000 J = 5650 kJ

Therefore 2.5 kg of water requires 5650 kJ of heat for complete vaporization

Fraction of water that can be vaporized by 543.4 kJ energy = 543.4/5650

Fraction of water that can be vaporized = 0.0961 or 9.61%

7 0
4 years ago
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