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Kamila [148]
3 years ago
11

form a hypothesis sharks don't have swim bladders and must move constantly or they sink. hypothesize about the amount of food th

at a shark must eat compared to the amount eaten by a bony fish of the same size
Chemistry
1 answer:
MariettaO [177]3 years ago
3 0
Sharks have to move often and not slowly and have to eat more than a bony fish

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14.A sample of fluorine gas has a density of _____
yarga [219]

Answer:

d = 0.793 g/L

Explanation:

Given data:

Density of fluorine gas = ?

Pressure of gas = 0.554 atm

Temperature of gas = 50 °C (50+273.15K = 323.15 K)

Solution:

Formula:

PM = dRT

M = molar mass of gas

P = pressure

R = general gas constant

T = temperature

d = PM/RT

d = 0.554 atm × 37.99 g/mol / 0.0821 atm.L /mol.K × 323.15 K

d = 21.05 atm.g/mol/26.53 atm.L /mol

d = 0.793 g/L

8 0
3 years ago
Why are xrays used to probe the crystal structure of a material
ioda

Answer:

Because X-rays have wavelengths similar to the size of atoms

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Olivia, a Latina student, is told that she can check only two books out of the library at a time, but Leann, a white student, is
Sliva [168]

Answer:

a

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4 0
2 years ago
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For SCl4, the electron domain geometry is _______(i)________ and the molecular geometry is ______(ii)________.
Likurg_2 [28]

The electron domain geometry is trigonal bipyramidal while the molecular geometry of the compound is seesaw.

The shapes of molecules is determined by the number of electron pairs on the valence shell of the central atom in the molecule. These electron domains include lone pairs and bond pairs.

The lone pairs only contribute towards the electron domain geometry and not the molecular geometry. SCl4 has five electron domains hence its electron domain geometry is trigonal bipyramidal. The molecular geometry of the compound is seesaw.

Learn more: brainly.com/question/6505878

8 0
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What conversion factor would you use to convert correctly from the mass of a given
statuscvo [17]

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