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pentagon [3]
2 years ago
10

In your own words, describe how a hurricane forms. (5 points)

Chemistry
1 answer:
sweet [91]2 years ago
7 0
The ocean water is evaporated caused by the heat from the sun. The evaporating water forms a cloud of moist air that moves upwards and the warm air rises and more air replaces it
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Which phrase describes a characteristic of an Arrhenius base?
Tom [10]

 The phrase  that describes a   characteristic   of an Arrhenius base is  that Arrhenius  base add  hydroxide  ions  to  the solution ( answer C)

 

      <u><em>Explanation</em></u>

Arrhenius base  is a substance that  increases  the concentration  of OH-  in aqueous  solution.

The Common Arrhenius base are  group 1 and  2 hydroxide  such as LiOH, NaOH ,  Ba(OH)2  among others.  

for  example  NaOH  dissociate  as follows , NaOH  →  Na+(aq) + OH- (aq)


6 0
3 years ago
Read 2 more answers
How many grams of H2O are produced when 35.0 g of NaOH reacts with 17.5 g of CO,?
zhenek [66]

Answer:

2NaOH + CO2 -> Na2CO3 + H2O

1) Find the moles of each substance

\eq n(NaOH)=\frac{35.0}{22.99+16.00+1.008\\}\  =\frac{35.0}{39.998} \ = 0.8750437522 moles\\n(CO_{2} ) = \frac{17.5}{12.01+32.00} = \frac{17.5}{44.01} = 0.3976369007 moles\\

2) Determine the limitting reagent

\\NaOH = \frac{0.8750437522}{2} = 0.4375218761\\\\

∴ Carbon dioxide is limitting as it has a smaller value.

3) multiply the limiting reagent by the mole ratio of unknown over known

n(H2O ) = 0.3976369007 × 1/2

             = 0.1988184504 moles

4) Multiply the number of moles by the molar mass of the substance.

m = 0.1988184504 × (1.008 × 2 + 16.00)

   = 0.1988184504 × 18.016

   = 3.581913202 g

Explanation:

6 0
2 years ago
What is the name of the pores, or holes, on the outer layer of the sponge that take water in?
ivanzaharov [21]
The tiny holes in a sponges outer layer that take in water are called ostia, I believe. Hope it helps
7 0
3 years ago
Which conclusion is supported by the information in the graph?
Molodets [167]

Answer:

A. The cost of producing a kilowatt of power with fuel cell will be less than $30 in 2015

4 0
2 years ago
A nuclear fission reaction has mass difference between the products and the reactants of 0.0284 amu. Calculate the
notsponge [240]

Answer:

C) 4.24 x 10^{-12}

Explanation:

E = Δmc^{2}

Δm = 0.0284 x 1.66 x 10^{-27} kg = 4.714x10^{-29}kg

putting value in above equation

E = 4.714x10^{-29}kg x (3x10^{8})^{2} = 4.24 x 10^{-12}

6 0
2 years ago
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