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Anna71 [15]
3 years ago
12

A car is traveling 90.0 kilometers per hours. What is its speed in miles per hour?

Chemistry
2 answers:
slavikrds [6]3 years ago
5 0

Answer:

56 mph!

Explanation:

1 kph = .621371 mph

90 * .621371 = 55.92339

KatRina [158]3 years ago
5 0

Answer:

56 mph

Explanation:

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In the following net ionic equation, identify each reactant as either a Bronsted-Lowry acid or a Bronsted-Lowry base. HCN(aq) H2
vfiekz [6]

Answer:

Explanation:

The definition of acids and bases by Arrhenius Theory  was modified and extended by  Bronsted-Lowry.

Bronsted-Lowry defined acid as a molecule or ion which donates a proton while a base is a molecule or ions that accepts the proton. This definition can be extended to include acid -base titrations in non-aqueous solutions.

In this theory, the reaction of an acid with a base constitutes a transfer of a proton from the acid to the base.

From the given information:

\mathsf{HCN _{(aq)} + H_2O_{(l)} \to CN^{-}_{(aq)} + H_3O_{(aq)}}

From above:

We will see that HCN releases an H⁺ ion, thus it is a Bronsted-Lowry acid

H_2O accepts the H⁺ ion ,thus it is a Bronsted-Lowry base.

The formula of the reactant that acts as a proton donor is <u>HCN</u>

The formula of the reactant that acts as a proton acceptor is <u>H2O</u>

8 0
3 years ago
Which two formulas contain 4 atoms of hydrogen?
Rzqust [24]

Methane (CH4) = 1 carbon atom, 4 hydrogen

Sulphuric Acid (H2SO4) = 2 hydrogen atoms, 1 sulfur and 4 oxygen.

8 0
3 years ago
14. All the following are necessary parts of a neutralization reaction except A. an indicator. B. a salt. C. water. D. an acid.
ValentinkaMS [17]

The correct answer is <em>B. a Salt </em><em>because The reaction of an acid and a base is called a neutralization reaction because the properties of both the acid and base are diminished or neutralized when they react. A neutralization reaction is a reaction of an acid with a base in aqueous solution to produce water and a salt, as shown by the following equation:</em>

<em>acid + base → salt + water</em>

<em />

<em>* Hopefully this helps:) Mark me the brainliest:) </em>

<em>∞ 234483279c20∞</em>

6 0
3 years ago
If you have a cup of water at 35 degrees Celsius, and a bath tub of water at 35 degrees Celsius which will melt the most ice and
ZanzabumX [31]
The bathtub of water would melt the most ice because it has a larger area
8 0
3 years ago
-
Varvara68 [4.7K]
170km/h this probs right i think
7 0
4 years ago
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