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3 years ago

Which TWO statements describe the ocean floor giving brainliest

Chemistry

2 answers:

zaharov [31]3 years ago

7 0

Answer:

A & B

Explanation:

Done the Quiz

lesya [120]3 years ago

6 0

Answer:

A and B

Explanation:Ap3x approved :)

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The rate of disappearance of HBr in the gas phase reaction 2HBr(g) → H2 (g) I2 (g) is 0.190 M s-1 at 150°C. The rate of appearan

Sunny_sXe [5.5K]

Answer:

The rate of appearance of hydrogen gas is 0.095 M/s.

Explanation:

Rate of the reaction is the change in concentration of of any one of the reactants or products per unit time.

$2HBr(g)\rightarrow H_2 (g) I_2 (g)$

Given:

The rate of disappearance of HBr = $-\frac{d[HBr]}{dt}=0.190 M/s$

Rate of the reaction is given by:

$R=-\frac{1}{2}\frac{d[HBr]}{dt}=\frac{1}{1}\frac{d[H_2]}{dt}$

$R=-\frac{1}{2}\frac{d[HBr]}{dt}=\frac{1}{2}\times 0.190 M/s=0.095 M/s$

Rate of appearance of the hydrogen gas:

$\frac{d[H_2]}{dt}=R =0.095 M/s$

The rate of appearance of hydrogen gas is 0.095 M/s.

3 0

3 years ago

Which phase change is the opposite of boiling?

cestrela7 [59]

Condensation is the opposite of boiling

3 0

2 years ago

The veterinarian prescribes the NSAID carprofen for a 50-pound dog with arthritis at a dose of 4.4 mg/kg and would like this dos

alina1380 [7]

Answer:

The dog should be given half of 100 mg tablet in the morning and another half of 100 mg tablet in an evening.

Explanation:

Weight of the dog = 50 pounds = 22.68 kg

1 kg = 2.205 pounds

Amount of daily dose prescribed by doctor = 4.4 mg/kg

Total mount of dose = 4.4 mg/kg × 22.68 kg = 99.79 mg

99.79 mg ≈ 100 mg

49.89 mg ≈ 50 mg

So, according to doctor prescription dog should be given half 100 mg tablet in the morning and another half of 100 mg tablet in an evening.

8 0

2 years ago

We are trying to build a good model of the _____________ that are happening on the tectonic plates under us.

Arturiano [62]

Answer:

scientists can only calculate the probability that a significant earthquake will occur in a specific area within a certain number of years.

Explanation:

i'm in the 7th grade

8 0

2 years ago

Consider the molecular structure for linuron, an herbicide, provided in the questions below. How many pi bonds are in the molecu

Sophie [7]

In the herbicide linuron whose structure is shown in the image attached, there are four pi bonds.

A pi bond is formed by a sideways overlap of atomic orbitals. A sigma bond is formed by an end to end or head to head overlap of atomic orbitals. Pi bonds lead to the occurrence of multiple bonds in the molecule.

In the herbicide linuron whose structure is shown in the image attached to this answer, there are four pi bonds which are easily spotted as double bonds in the structure.

Learn more: brainly.com/question/7291190

6 0

2 years ago