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Lana71 [14]
3 years ago
12

Barium chlorate (ba(clo3)2) breaks down to form barium chloride and oxygen. what is the balanced equation for this reaction? whe

n counting atoms in parentheses, multiply all subscripts by the number outside the parentheses to get the number of atoms. bacl3(s) o2(
g. → bacl(s) cl2(
g. o2(
g. 2baocl3(s) → 2bacl(s) cl2(
g. o2(
g. ba(clo3)2(s) → bacl2(s) o2(
g. ba(clo3)2(s) → bacl2(s) 3o2(
g. 2ba(clo3)2(s) → bacl(s) 6o2(
g. ba(clo)2(s) → bacl2(s) o2(
g.
Physics
2 answers:
Margarita [4]3 years ago
5 0
I think the correct answer should be B<span>a(ClO3)2 = BaCl2 + 3O2. In balancing chemical reactions, it important that the number of atoms of each element in each side of the reaction should be the same. Hope this answers the question. Have a nice day.</span>
Assoli18 [71]3 years ago
4 0

Answer;

Ba(ClO3)2(s) = BaCl2(s) + 3 O2(s)

Explanation;

The Law of Conservation of Mass states that matter cannot be created or destroyed. Thus, the mass of substances produced in a chemical reaction is always equal to the mass of reacting substances. Therefore, there is need to have the same number of each type of element on each side of a chemical equation.

Therefore we use the coefficients of products and reactants to balance the number of atoms of an element on both sides of a chemical equation.

The equation; Ba(ClO3)2(s) = BaCl2(s) + 3 O2(s), is balanced because there is equal number of each type of element on each side of a chemical equation.

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The equation to be used is the derived formulas for rectilinear motion at a constant acceleration. The formula for acceleration is

a = (v - v₀)/t
where
v and v₀ are the initial and final velocities, respectively
t is the time
a is the acceleration

Since it started from rest, v₀ = 0. Using the formula:

0.15 m/s² = (v - 0)/[2 minutes*(60 s/1 min)]
Solving for v,
v = 18 m/s
3 0
3 years ago
g Incandescent bulbs generate visible light by heating up a thin metal filament to a very high temperature so that the thermal r
Naddika [18.5K]

Answer:

2577 K

Explanation:

Power radiated , P = σεAT⁴ where σ = Stefan-Boltzmann constant = 5.6704 × 10⁻⁸ W/m²K⁴, ε = emissivity of bulb filament = 0.8, A = surface area of bulb = 30 mm² = 30 × 10⁻⁶ m² and T = operating temperature of filament.

So, T = ⁴√(P/σεA)

Since P = 60 W, we substitute the vales of the variables into T. So,

T = ⁴√(P/σεA)

= ⁴√(60 W/(5.6704 × 10⁻⁸ W/m²K⁴ × 0.8 × 30 × 10⁻⁶ m²)

= ⁴√(60 W/(136.0896 × 10⁻¹⁴ W/K⁴)

= ⁴√(60 W/(13608.96 × 10⁻¹⁶ W/K⁴)

= ⁴√(0.00441 × 10¹⁶K⁴)

= 0.2577 × 10⁴ K

= 2577 K

6 0
3 years ago
Help with the number 2 question​
MArishka [77]

Answer:

It is frequently stated that the value of the acceleration due to gravity at the pole is larger than at the equator because the poles are closer to the center of the earth due to the earth's oblateness. ... The measured value is larger because the earth's density is not uniform but increases toward the center.

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3 years ago
Explain briefly how solar energy is used to generate electricity
valkas [14]

Answer:

Solar radiation may be converted directly into electricity by solar cells (photovoltaic cells). In such cells, a small electric voltage is generated when light strikes the junction between a metal and a semiconductor (such as silicon) or the junction between two different semiconductors.

Explanation:

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7 0
2 years ago
Explain how to find the angle between two nonzero vectors. Choose the correct answer below. A. The angle between two nonzero vec
kozerog [31]

Answer:

θ = Cos⁻¹[A.B/|A||B|]

A. The angle between two nonzero vectors can be found by first dividing the dot product of the two vectors by the product of the two vectors' magnitudes. Then taking the inverse cosine of the result

Explanation:

We can use the formula of the dot product, in order to find the angle between two non-zero vectors. The formula of dot product between two non-zero vectors is written a follows:

A.B = |A||B| Cosθ

where,

A = 1st Non-Zero Vector

B = 2nd Non-Zero Vector

|A| = Magnitude of Vector A

|B| = Magnitude of Vector B

θ = Angle between vector A and B

Therefore,

Cos θ = A.B/|A||B|

<u>θ = Cos⁻¹[A.B/|A||B|]</u>

Hence, the correct answer will be:

<u>A. The angle between two nonzero vectors can be found by first dividing the dot product of the two vectors by the product of the two vectors' magnitudes. Then taking the inverse cosine of the result</u>

3 0
2 years ago
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