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1 year ago

Predict the products of the reaction below

Chemistry

1 answer:

Mrrafil [7]1 year ago

4 0

Answer:

HNO₃ + NaOH ---> NaNO₃ + H₂O

Explanation:

This reaction appears to be a double-displacement reaction. In these reaction, the cation of one compound is swapped with the cation of another.

As such, the hydrogen cation (H⁺) from HNO₃ is swapped with the sodium cation (Na⁺) of NaOH.

Luckily, all of the cations have a +1 charge and the anions have a -1 charge. This means that no coefficients are necessary to balance the reaction.

The complete balanced equation is:

HNO₃ + NaOH ---> NaNO₃ + H₂O

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53. A firefighter of mass 80 kg slides down a vertical pole

Zielflug [23.3K]

Answer:

Answer is given below:

Explanation:

Given Data:

mass = 80kg

acceleration = 4 ms

force = 800N

Find out:

friction = ?

Formula:

F-friction = weight - f-net

Solution:

weight = (80)(10)

= 800 N

F-net = ma =(80)(4) = 320N

F-friction = weight - F-net

=800 N - 320N

=480N

Answer :

Friction = 480 N

6 0

2 years ago

The direction of movement of the cold front shown in the figure at left is _____.

Mice21 [21]

Answer:

northwest

Explanation:

Cmon man adleast try before you ask it on brainly or else you will never get any smarter

7 0

3 years ago

Read 2 more answers

A sample was then prepared containing 14.00 mL of coffee and 8.00 mL of 4.80 ppm Li , and diluted to a 50.00 mL total volume. Th

mafiozo [28]

Answer:

The right answer is " $[Na^+]=5.57 \ ppm$ ".

Explanation:

The given values are:

$\frac{A_s}{A_{coffee}} =\frac{0.840}{1.000}$

According to the question,

The concentration of standard will be:

= $\frac{7.80}{50.00}\times 4.80$

= $0.156\times 4.80$

= $0.748 \ ppm$

Coffee after dilution,

⇒ $\frac{A_{coffee}}{C_{coffee}} =F\times \frac{A_s}{C_s}$

or,

⇒ $C_{coffee}=\frac{A_{coffee}}{A_s}\times \frac{C_s}{F}$

On substituting the values, we get

⇒ $=\frac{1.000}{0.840}\times \frac{0.748}{1.68}$

⇒ $=1.191\times 1.3104$

⇒ $=1.561 \ ppm$

hence,

In unknown sample, the concentration of coffee will be:

= $1.561\times \frac{50}{14}$

= $\frac{78.05}{14}$

= $5.57 \ ppm$

7 0

3 years ago

Storm surge, high wind, heavy rains which is most dangerous

Ymorist [56]

The answer is storm surge

6 0

2 years ago

Read 2 more answers

How many moles are there in 4.7 x 10^24 molecules of water?

Ghella [55]

Answer:

7.81 moles

Explanation:

(4.7×10^24 )×1 moles divided by 6.02×10^23 molecules

8 0

3 years ago