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grandymaker [24]

2 years ago

10

True or False. Explain the false statements:

1 answer:

juin [17]2 years ago

8 0

A. true
b. false
c. true
d. false
e. false

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What is the heliosheath?

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The heliosphere is the vast, bubble-like region of space that surrounds and is created by the Sun.

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9- Which pair of formulae represents two alkanes? (1 mark)

Ksenya-84 [330]

Answer:

A) CH4 and C8H18

Explanation:

General Formula for an Alkane = CnH2n+2

This means for every number of Carbon (C) atoms, there are twice as many Hydrogen (H) atoms with an additional two added onto that.

Therefore, if there is one Carbon Atom, and we multiply that by two, and then add an additional two, we get 4 Hydrogen atoms, so CH4, which is our first Formulae

Secondly, if we have eight Carbon Atoms, and we multiple that by two (16), and then add an additional two, we get 18 Hydrogen atoms, so C8H18, which is our second Formulae

The other Formulas do not follow this 'General Formula'

8 0

1 year ago

The compound responsible for the characteristic smell of garlic is allicin, c6h10os2. the mass of 1.00 mol of allicin, rounded t

Gemiola [76]

The compound responsible for the characteristic smell of garlic is allicin, that is having molecular formula C₆H₁₀OS₂.

Molar mass of C₆H₁₀OS₂=162.26 g mol⁻¹.

number of moles of C₆H₁₀OS₂=1 mol

So mass of C₆H₁₀OS₂ can be calculated as:

$Number of moles of C_{6}H_{10}OS_{2}, n= \frac{Given mass of the }{Molar mass of theC_{6}H_{10}OS_{2}}$

$1= \frac{Given mass of the C_{6}H_{10}OS_{2}}{162.26}$

Given mass of the C₆H₁₀OS₂= 162 g

4 0

2 years ago

if you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.

Roman55 [17]

27.6% is the correct answer

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2 years ago