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Liula [17]
3 years ago
7

A car traveling with constant speed travels 150 km in 7200 s. what is the speed of the car

Chemistry
1 answer:
earnstyle [38]3 years ago
4 0
The speed should be 48 mph, because 7200 divided by 150 is 48
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Determine what is missing from this neutralization reaction: AgNO3+KCl→AgCl+−−−−
lapo4ka [179]

Answer:

The answer to your question is: KNO₃

Explanation:

                                AgNO3  +  KCl   →   AgCl  +   −−−−

A. KNO3    this option is correct because it is a double replacement reaction then potassium must attached to NO₃.

B. KOH  this product is not possible because there is no water to form OH⁻ ions.

C. Ag2K  this product is not possible because both Ag and K are metals, then it is difficult that they attach.

D. KN2O This product is imposible to form, this option is wrong.

7 0
3 years ago
I build a fire and burn 3 logs. Apply the Law of Conservation of Matter
photoshop1234 [79]
Capture all of the smoke and weight it. it will weigh exactly the same before and after you burn it but will just be CO2 and H2O gas.
7 0
3 years ago
The following structure depicts three C atoms, two Br atoms, and eight H atoms,
Darya [45]

Answer: False

Explanation: There are four carbon atoms , eight hydrogen atoms and two Bromine atoms.

As the carbon forms four covalent bonds, every carbon must have four bonds and thus the formula of the compound is BrCH_2-CH(Br)-CH_2-CH_3.

IUPAC name of the compound is 1,2 di-bromobutane. As the carbon chain is 4 atoms long the word used is but and all the bonds are single bonds, thus the suffix used is ane.

5 0
3 years ago
If a small pig runs 46 meters in 6 seconds, what is the pig's average speed?
Tamiku [17]

Answer:

the pig's average speed is 7 m/s

7 0
2 years ago
At what temperature does uranium hexafluoride have a density of 0.9560 g/L at 0.5073 atm?
S_A_V [24]
Given:



Density = 0.7360 g/L.

Pressure = 0.5073 atm.
Step 2
The mathematical expression of an ideal gas is,

Chemistry homework question answer, step 2, image 1
Step 3
Here, R is the universal gas constant (0.0821 L-atm/mol K), T is the temperature in Kelvin, and n is the number of
8 0
4 years ago
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