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3 years ago

If you have 45.6mL of a liquid and its

Chemistry

1 answer:

tankabanditka [31]3 years ago

4 0

The density of the liquid is 1.027g/cm³

D=M/V
D=46.83/45.6
D=1.027g/cm³

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We are learning about oxygen hydrogen and carbon dioxide, and the question is:

Gre4nikov [31]

I believe it is that most oxides are solids other than these three. i hope this helps.

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3 years ago

How many ounces are in a 1 cup?

Morgarella [4.7K]

There is 8oz for each cup

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4 years ago

Read 2 more answers

A car travels 2.5 hours in a Northern direction for 300km. Determine the cats speed and velocity

nika2105 [10]

Answer:

Velocity = 120 km/h in north

Speed = 120 km/h

Explanation:

Given data:

Distance = 300 km north

Time taken = 2.5 hr

Speed and velocity = ?

Solution:

Speed = distance / time

Speed = 300 km / 2.5 h

Speed = 120 km/h

Velocity = change in position / change in time

Velocity = 300 km north / 2.5 hr

Velocity = 120 km/h in north

3 0

3 years ago

. A 500.0 mL buffer solution contains 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of thi

julia-pushkina [17]

Answer:

pH = 4.57

Explanation:

pH = pKa + log ([OAc⁺]/[HOAc])

Ka(HOAc) 1.8 x 10⁻⁵ => pKa = -log(1.8 x 10⁻⁵) = 4.74

[OAc⁻] = 0.20M

[HOAc] = 0.30M

pH = 4.74 + log([0.20]/[0.30]) = 4.47 + (-0.17) = 4.57

7 0

3 years ago

If oxygen with an electronegativity of 3.5 were to make a chemical bond with lithium, electronegativity of 1.0, what kind of bon

sergejj [24]

Answer:

Ionic.

Explanation:

Elements with higher electronegativity values are better at attracting electrons in a chemical bond.

A chemical bond is considered "ionic" if the electronegativity difference between the two bonding atoms is greater than $1.8$ .
Otherwise, this chemical bond is considered "covalent".

In this example, the difference between the electronegativity of oxygen and lithium is $3.5 - 1.0 = 2.5$ . Since $2.5 > 1.8$ , the bond between the two elements would likely be ionic.

It is possible to reach the same conclusion based on the fact that lithium is a metal while oxygen is a nonmetal. When metal elements react with non-metal elements, the product is typically an ionic compound- with ionic bonds between the atoms.

6 0

2 years ago