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AfilCa [17]
3 years ago
12

What is the independent variable in this reaction

Chemistry
1 answer:
jolli1 [7]3 years ago
6 0

Answer:

Explanation:

what wheres the answer???

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If the concentration of the HCl used in your titration was 1.00 M and you used 23.68 mL to reach the endpoint, calculate the con
drek231 [11]

Answer: The concentration of the OH-, CB = 0.473 M.

Explanation:

The balanced equation of reaction is:

2HCl + Ca(OH)2 ===> CaCl2 + 2H2O

Using titration equation of formula

CAVA/CBVB = NA/NB

Where NA is the number of mole of acid = 2 (from the balanced equation of reaction)

NB is the number of mole of base = 1 (from the balanced equation of reaction)

CA is the concentration of acid = 1M

CB is the concentration of base = to be calculated

VA is the volume of acid = 23.65 ml

VB is the volume of base = 25mL

Substituting

1×23.65/CB×25 = 2/1

Therefore CB =1×23.65×1/25×2

CB = 0.473 M.

6 0
3 years ago
As two chemicals react, the chemical bonds between the atoms in each react and break. Then, new bonds form. We call this process
EastWind [94]

Answer:

False is an answer.

8 0
3 years ago
Calculate sound speed in hydrogen H2 at temperture 50 C degree. Answer give in meter per second.
irina [24]

Answer:

The speed of sound in hydrogen gas is 361.5 ^{\circ} C

Explanation:

It is given that the temperature is 50 ^{\circ} C.

The speed of sound in meter per second is calculated by an equation.

The equation states that speed of the sound in meter per second is equal to the sum of the product of the temperature in degree celsius with 0.60 and a constant that is 331.5.

The equation is written as:

speed \ of \ sound \left(m/s \right) = 0.60 \times T + 331.5

Put the value of T = 50 then the equation becomes,

speed \ of \ sound \left(m/s \right) = 0.60 \times 50 + 331.5

Speed of sound (in m/s) = 361.5 m/s

4 0
3 years ago
Is the bond type of PCl3 polar or nonpolar?
Maru [420]
The molecular polarity and bond type of PCl3 is polar.
6 0
2 years ago
At 600. K how many moles of gas are in a 1.00 L cylinder at atmospheric pressure?
Anton [14]

Answer:

0.02moles

Explanation:

To answer this question, the general gas law equation is used. The General gas law is:

Pv = nRT

Where; P = standard atmospheric pressure (1 atm)

V = volume (L)

n = number of moles

R = Gas law constant

T = Temperature

For this question; volume = 1.00L, atmospheric pressure (P) = 1 atm, R = 0.0821 L-atm / mol K, T = 600K, n = ?

Therefore; Pv = nRT

n = PV/RT

n = 1 × 1/ 0.0821 × 600

n = 1/49.26

n = 0.0203moles

Hence, there are 0.02 moles of gas.

8 0
3 years ago
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