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Vesna [10]
2 years ago
7

A student reads that sodium atoms (Na) react with chlorine (Cl2) molecules to form the compound sodium chloride (NaCl). Which mo

del should the student make to satisfy the Law of Conservation of Matter for the formation of sodium chloride, in simplest form?
Chemistry
2 answers:
Studentka2010 [4]2 years ago
7 0

Answer:

c

Explanation:

aniked [119]2 years ago
4 0

Answer:

lol

Explanation:

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Acetaldehyde decomposes at 750 K: CH3CHO → CO + CH4. The reaction is first order in acetaldehyde and the half-life of the reacti
Degger [83]

Answer:

k = 1.3 x 10⁻³ s⁻¹

Explanation:

For a first order reaction the integrated rate law is

Ln [A]t/[A]₀ = - kt

where [A] are the concentrations of acetaldehyde in this case, t is the time and k is the rate constant.

We are given the half life for the concentration of acetaldehyde to fall to one half its original value, thus

Ln [A]t/[A]₀ = Ln 1/2[A]₀/[A]₀= Ln 1/2 = - kt

- 0.693 = - k(530s) ⇒ k = 1.3 x 10⁻³ s⁻¹

4 0
3 years ago
Phase change is based on the_________, which states that phase change occurs with changing average kinetic energy. a. Law of con
AleksAgata [21]

Answer:

d but I'm not sure.............

8 0
3 years ago
A 30-g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. What is the
Olegator [25]

Answer:

Explanation:

By definition, the momentum is given by:

p=m*v

Where,

m: car mass

v: speed of the car

Substituting the values in the given definition we have:

p=3*154

Answer:

the momentum of the car is:

4620g * cm/s

8 0
3 years ago
Help please if its right i'll give brainiest
Mkey [24]
I believe it is spontaneous generation
5 0
3 years ago
How are acids and bases defined by bronsted lowry?​
lesantik [10]

A Bronsted-Lowry acid is a chemical species that donates one or more hydrogen ions in a reaction. In contrast, a Bronsted-Lowry base accepts hydrogen ions. When it donates its proton, the acid becomes its conjugate base. A more general look at the theory is as an acid as a proton donor and a base as a proton acceptor. :)

4 0
3 years ago
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