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3 years ago

VERY EASY QUESTION Does a theory help prove an experience or an experience help prove a theory?

Chemistry

2 answers:

Marrrta [24]3 years ago

6 0

Answer:both

Explanation:

It depends on where your looking at it from

iragen [17]3 years ago

6 0

Answer:

an expierience help prove a theory.

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All of the statements describe hydrogen bonds EXCEPT: a. Hydrogen bonds account for the anomalously high boiling point of water.

Mamont248 [21]

Answer:

The correct option is e

Explanation:

Hydrogen bond is an intermolecular interaction/bonding that are formed between an electronegative atom (such as nitrogen, oxygen and fluorine) and a hydrogen atom. They are weak intermolecular bonds compared to covalent bonds but account for the high boiling point of water because of the strong hydrogen bond presence between the water molecules. Water molecules form hydrogen bonds between each other; since an oxygen atom (in a water molecule) has two lone pairs on it's outermost shell, it forms an hydrogen bond with two hydrogen atoms of other water molecule. Due to the fluidity of liquid water molecules, hydrogen bonds keep getting broken (although recreated/formed almost immediately), hence, individual hydrogen bonds in liquid water does not exist for long.

In the explanation above, it was stated that the strength of the hydrogen bond in water is the reason for it's high boiling point. The atoms in a water molecule are bent NOT linear hence the strength of hydrogen bond does not depend on the linearity of the atoms involved in the bond.

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3 years ago

The following balanced equation shows the decomposition of water (H2O). According to the equation, how many oxygen atoms are in

EleoNora [17]

2 atoms of oxygen are reactants.

6 0

3 years ago

Read 2 more answers

A gas has

Vaselesa [24]

Gases take the shape of their container and have no definite volume because they can diffuse indefinitely. Answer C.

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3 years ago

Read 2 more answers

What was done to the linear parent function, f(x) = x, to get the function g(x) = 1/6 x

s2008m [1.1K]

Answer:

Vertically Shrunk by a factor of 1/6

Explanation:

Parent Formula: f(x) = a(bx - c) + d

a - vertical shrink/stretch and x-reflections

b - horizontal shrink/stretch and y-reflections

c - horizontal movement left/right

d - vertical movement up/down

Since we are only modifying a, we are dealing with vertical shrink/stretch:

Since a < 1 (1/6 < 1), we are dealing with a vertical shrink of 1/6.

Since a > 0 (1/6 > 0), we do not have a reflection over the x-axis.

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3 years ago

A solution contains 72.0 g of HCI and 468 g of (C6H6). what is the mole fraction of benzene

erica [24]

Molar mass (MM) of benzene C6H6
C = 6 * 12 = 72u
H = 6 * 1 = 6u
MM C6H6 = 72 + 6 = 78 g / mol
Benzene - Molar Mass = 78 g --------- 1 mol
Of A Mix has 468 g -------------- x

78x = 468
X = 468/78
X = 6 moles

Molar mass (MM) of Hydrochloric Acid HCl H = 1 * 1 = 1u
CI = 1 * 35 = 35u
MM HCl = 1 + 35 = 36 g / mol

Hydrochloric Acid - Molar Mass = 36 g ---------- 1 mol
Of A Mix has 72 g ------------ y

36y = 72
Y = 72/36
Y = 2 moles

Thus, a mixture has a total of 8 moles (6 mol + 2 mol).
Dividing One Mole Amount of Each Substance by the Number of Total Mole Amounts, Then we will obtain a Molar Fraction of Each:
Molar fraction make benzene = (6/8) simplify 2 = 3/4
Molar Fraction to make Hydrochloric Acid = (2/8) = simplify 2 = 1/4

Note:. The sum of the molar fractions of the always give goes 1, we have: 3/4 + 1/4 = 1

ANSWER:
 $\boxed{\frac{3}{4}}$

4 0

3 years ago