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aliina [53]
3 years ago
15

I need help on this questionNO LINKS!​

Chemistry
1 answer:
Rina8888 [55]3 years ago
8 0

Answer:

2 experimental

Explanation:

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Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2(aq) + H2O (l) —><— H3O+ (aq) +NO2^-(aq) In wh
Novosadov [1.4K]

Answer:

The equilibrium will shift to the right

Explanation:

The chemical equilibrium represents a balance between direct and inverse reactions.

The Le Chatelier Principle states that variations in experimental conditions can alter this balance and displace the equilibrium position, causing more or less of the desired product to form. And in this way the system evolves in the opposite direction so as to counteract the effects of such disturbance.

The variation of one or more of the following factors are those that can alter the equilibrium condition:

  • Temperature
  • The pressure
  • The volume
  • The concentration of reactants or products

In this case:

NaOH produces OH⁻ ions. OH⁻ ion uses up H₃O⁺  through the reaction:

H₃O⁺ + OH⁻ → 2 H₂O

According to the Le Chatelier principle, the addition of NaOH consumes one of the products, decreasing its concentration. Therefore, to balance the reaction, <u><em>the equilibrium will shift to the right</em></u> in order to counteract the effect that disturbed it and recover the equilibrium state.

4 0
3 years ago
What does the 2 mean in the formula 5Mg3(PO4)2? There are two elements in magnesium phosphate. There are two molecules of magnes
frozen [14]

Answer: In this compound, phosphorous and oxygen act together as one charged particle, which is connected to magnesium, the other charged particle.

Explanation:

4 0
3 years ago
The density of copper metal is 8.9 g/mL. What is the volume of 2.5 kg of this metal?
AlekseyPX

Answer:- The volume of copper is 280 mL.

Solution:- Density and mass of copper metal are given and it asks to calculate the volume of it.

Density is directly proportional to mass and inversely proportional to the volume. The density formula is:

D=\frac{M}{V}

where D stands for density, M stands for mass and V stands for volume.

Since, the problem asks to calculate the volume, let's rearrange the formula for volume.

V=\frac{M}{D}

The given density is 8.9 grams per mL and the mass is 2.5 kg. We need to convert the mass unit from kg to g so that the g unit could be canceled while calculating volume.

The conversion factor is, 1kg = 1000g

2.5kg(\frac{1000g}{1kg})

= 2500g

Let's plug in the values in the density formula to calculate the volume.

\frac{2500g}{\frac{8.9g}{mL}}

= 280.89 mL

If the sig figs are considered then the answer needs to be round to two sig figs and hence the volume becomes 280 mL.

8 0
4 years ago
Draw the location of the epicenter of an earthquake in Carmona, Silang,GMA Cavite if the hypothetical distance of epicenter in C
stellarik [79]

The kinematics and geometry can locate the point where the earthquake occurs: Point of interception of the three circles

The earthquakes occur due to a sudden movement of two tectonic plates, this movement produces longitudinal and transverse waves with different speeds, called S and P waves. The speed of the waves is constant, so we can use the uniform kinematic movement relationship

           v = d / t

Where v is the speed of the wave, d is the distance and t is the time.

The speed of the two types of waves is known, they depend on the material and type of wave varies between 4 and 7 km / S, the time is measured in the seismometers, for which we can calculate the distance.

For a seismometer, the calculated distance corresponds to a circle, so to locate the epicenter of the earthquake we must have a minimum of three earthquakes, the point of intersection of the circles is the place of occurrence of the event, see the attachment for a diagram of the process.

In conclusion, with kinematics and geometry we can locate where the earthquake occurs: Point of interception of the three circles

Learn more about Earthquakes here

brainly.com/question/11446551

4 0
3 years ago
Explain the properties of the substance around us depend on the atoms and molecules that compose them
Fynjy0 [20]
Form determines function is the explanation in this statement.The example is Na+ is table salt but Na is highly unstable. Understanding its form and function is very important in making an experiment. So we need to know and understand the relationship between form and function for appreciating.
7 0
3 years ago
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