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dimaraw [331]
3 years ago
11

What would be the scenario of negative acceleration

Chemistry
2 answers:
Alenkinab [10]3 years ago
7 0

Negative acceleration refers to any object that has a force acting on it in a direction that is opposite to what it is initially travelling in. In this scenario the object may: ... travel at a slower speed, in the opposite direction, OR. travel at a slower speed and in the same direction (known as deceleration), OR.

Vika [28.1K]3 years ago
6 0

Answer:

In this scenario the object may travel at a slower speed, in the opposite direction, or travel at a slower speed and in the same direction

Explanation:

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It turns chemical into electricity 
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3 years ago
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Calculate the mass of water produced when 42 g of propane, c3h8, is burned with 115 g of oxygen
gavmur [86]
The balanced combustion reaction of propane, C₃H₈, is

C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O

Molar mass of propane: 44 g/mol
Moles of propane = 42 g * (1 mol/44g) = 0.9545 mol propane

Molar mass of oxygen: 32 g/mol
Moles of oxygen = 115 g * (1 mol/32 g) = 3.594 mol oxygen

Moles of oxygen needed to completely react propane:
0.9545 mol propane * (5 mol O₂/1 mol propane) = 4.7725 mol oxygen

Since the available oxygen is only 3.594 moles and propane needs 4.7725 moles, that means oxygen is our limiting reactant. We base the amount of water produced here.

Molar mass of water: 18 g/mol
Mass of water produced = 3.594 mol O₂ * (4 mol H₂O/5 mol O₂) * (18 g/mol)
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6 0
3 years ago
An electrode reaction is reduction. This means that the electrode is a(n) a. cathode. c. electrochemical cell. b. anode. d. elec
Romashka [77]
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3 years ago
The pKapKa of cyclopentane is &gt; 60, which is about what is expected for a hydrogen that is bonded to an sp3sp3 carbon. Explai
aivan3 [116]

Answer and explanation:

cyclopentadiene is more acidic than cyclopentane

hydrocarbon compound are weak acid in nature

This relative acidity is explained by the stability of

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(check the attached image file 1)

To answer this question we must look at the stability of the anions that are formed when the compound lose proton.

All the electron in the cyclopentyl anion are localized.

In contrast, the aromatic cyclopentadienyl anion is a stable carbanion as a result of its aromaticity therefore making its conjugate acid a very strong acid compare to other compounds with hydrogen attached to sp³ carbons

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To see if it works like they want it to, engineers need to Question 3 options:
ziro4ka [17]

Answer:

they need to do their research

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