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abruzzese [7]
3 years ago
14

If a bug is traveling 5 meters across the floor in 5 seconds. How fast did it travel?

Chemistry
1 answer:
Sergio039 [100]3 years ago
4 0

Answer:

5 seconds

Explanation:

Speed x Time. So t=ds. t=51=5.

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The density of tin is 7.31 g/cm? What is the mass of the sample pictured below?
Oduvanchick [21]

Answer:

8.1 g/cm3.

Explanation:

5 0
3 years ago
The decomposition of ethyl amine, C2H5NH2, occurs according to the reaction: C2H5NH2(g)⟶C2H4(g)+NH3(g) At 85∘C, the rate constan
statuscvo [17]

Answer:

2.772 seconds

Explanation:

Given that;

t1/2 = 0.693/k

Where;

t1/2 = half life of the reaction

k= rate constant

Note that decomposition is a first order reaction since the rate of reaction depends on the concentration of one reactant

t1/2 = 0.693/2.5 x 10-1 s-1

t1/2= 2.772 seconds

7 0
3 years ago
Find the pH of a 0.350 M aqueous benzoic acid solution. For benzoic add. Ka = 6.5 x 10^-5.
slava [35]

Answer:

correct option is (a)

The solution would be using this: C6H5COOH = H+ + C6H5COO Ka = 6.5 x 10^-5 = (H+)(C6H5COO-) over

(C6H5COOH)

Let X = moles per liter (H+) and also = moles per liter (C6H5COO-)

Ka = 6.5 x 10^-5 = (X)(X) over .350 molar = acid solution 6.5 x 10^-5 = X^2 over .350

X^2 = 6.5 x 10^-5 times .350 which = 2.275 x 10^-5

x = V2.275 x 10^-5

X = 1.5083 x 10^-5 moles per liter H+

pH = -log(H+) = -log 1.5083 x 10^-5 which

= 4.6215

7 0
3 years ago
A system gains 637 kJ of heat, resulting in a change in internal energy of the system equal to +171 kJ.
Lady bird [3.3K]

Answer:

work was done by the system

4 0
2 years ago
Даю 90 баллов, помогите
aleksklad [387]

Answer:

MgCO3, Ca(OH)2, AgNO3

Explanation:

5 0
3 years ago
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