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mrs_skeptik [129]
3 years ago
13

The reaction 2NoBr(g) ---> 2NO(g)+Br2(g) is a second order reaction with a rate constant of 0.80M^-1 s^-1 at 11 C. If the ini

tial concentration of NOBr is 0.0440 M, the concentration of NOBr after 12 seconds is _________.
Chemistry
1 answer:
aleksley [76]3 years ago
5 0

Answer:

noe  sory opwqkfj

s

Explanation:

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Which represents the correst equilibrium constant expression for Cu(s) +2Ag<------> Cu^2 (aq) +2Ag(s)
nataly862011 [7]

Answer:

Kc=\frac{(Cu2)(Ag)^2}{(cu)(Ag)^2}

Explanation:

because it is products / reactants  

Hope this helps:)

7 0
3 years ago
A student mixes baking soda and vinegar in a glass. Are there any new substances created from this mixture?
Anni [7]

Answer:

Explanation:

1. A student mixes baking soda and vinegar in a glass. The results are shown at left. ... Yes I do belive that new substances are being formed because there is a chemical reaction between the baking soda and vinegar turning it into a bubbly substances instead of a powder and liquid.

4 0
3 years ago
As a whole, plants tend to release more oxygen than carbon dioxide into the environment, but the ratios of gases differ at vario
marshall27 [118]

During the day, due to the existence of sunlight, the procedure of photosynthesis elevations over that of respiration. Photosynthesis uses carbon dioxide to produce carbohydrates removing oxygen as a byproduct. During the night, because there is no sunlight, the rate of photosynthesis decreases. This, therefore, drives the rate of respiration to surpass the speed of photosynthesis. In respiration, oxygen is consumed and carbon dioxide is dismissed.

<h3>What is photosynthesis?</h3>
  • Photosynthesis is the process by which manufacturers use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar.
  • The primary position of photosynthesis is to transform solar energy into chemical energy and then reserve that chemical energy for prospective use. For the most part, the planet's living designs are powered by this process.
  • An illustration of photosynthesis is how plants convert sugar and significance from water, air, and sunlight into energy to grow. Description of photosynthesis is the procedure through which plants use water and carbon dioxide to assemble their food, grow and remove excess oxygen into the air.

To learn more about photosynthesis, refer to:

brainly.com/question/19160081

#SPJ4

3 0
1 year ago
When polonium-210 emits an alpha particle, the child isotope has an atomic mass of
Sergeeva-Olga [200]

Answer: The child isotope has an atomic mass of 206.

Explanation:

Alpha decay : When a larger nuclei decays into smaller nuclei by releasing alpha particle. In this process, the mass number and atomic number is reduced by 4 and 2 units respectively.

General representation of an element is given as:   _Z^A\textrm{X}

where,

Z represents Atomic number

A represents Mass number

X represents the symbol of an element

General representation of alpha decay :

_Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}Y+_2^4\alpha

_{84}^{210}\textrm{Po}\rightarrow_{82}^{206}\textrm{Pb}+_2^4\textrm{He}

8 0
3 years ago
Read 2 more answers
Using the phase diagram for water, what phase is water at 0.01 degrees Celsius and 0.0060 atmospheres?
anzhelika [568]
<span>Answer: at 0.01 °C and 0.0060 atm the three phases (solid, liquid and gas)
</span><span>
</span><span>
</span><span>Explanation:
</span><span>
</span><span>
</span><span>1) Water at 0.0060 atm and 0.01° C is at its triple point.
</span>

2) The triple point is the point in the phase diagram at which the three physical states coexist: gas, liquid and solid.

3) That means that water can freeze and boil at the same time. In fact they can happen any of the six changes of phase: freezing (liquid to solid), melting (solid to liquid), evaporation (liquid to gas), condensation (gas to liquid), sublimation (solid to gas), and deposition (gas to solid).

The phase diagram is unique for any substance, meaning that it is different for different substances: the normal boiling and melting points are different.
8 0
4 years ago
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