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Maru [420]
3 years ago
7

Photosynthesis in a plant is an example of which characteristic of living things?

Chemistry
1 answer:
lutik1710 [3]3 years ago
4 0

Answer:

<h2><em><u>4. Ability to obtain and use energy</u></em></h2>
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How many liters are in a .00813M solution that contains 1.55 g of KBr?
Sloan [31]

Answer:

                      1.602 L (or) 1602 mL

Explanation:

             Molarity is the amount of solute dissolved per unit volume of solution. It is expressed as,

                         Molarity  =  Moles / Volume of Solution    ----- (1)

Rearranging above equation for volume,

                         Volume of solution  =  Moles / Molarity    -------(2)

Data Given;

                  Molarity  =  0.00813 mol.L⁻¹

                  Mass  =  1.55 g

First calculate Moles for given mass as,

                   Moles  =  Mass / M.mass

                   Moles  =  1.55 g / 119.002 g.mol⁻¹

                   Moles  =  0.0130 mol

Now, putting value of Moles and Molarity in eq. 2,

                         Volume of solution  =  0.0130 mol / 0.00813 mol.L⁻¹

                         Volume of solution  = 1.60 L

or,

                         Volume of solution  =  1602 mL

5 0
3 years ago
How many atoms of hydrogen are in 4Ca(OH)2​
inn [45]

Explanation:

there are 8 atoms of hydrogen

5 0
2 years ago
which of the following results when iron and oxygen react? 1.fe2o3 corrodes 2.hydrated iron forms 3.iron oxide forms 4.a shiny m
weeeeeb [17]
It should be 4, a shiny metal forms
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3 years ago
How are different elements distinguishable from one another? (Check all that apply.)
Kazeer [188]
The correct answer to this question is the unique atomic number which would be B
7 0
2 years ago
Can you help me balance the equations from 1-10 please and thank you.
Korolek [52]

Answer:

  1. 2 NaBr + Ca(OH)2 → CaBr2 + 2NaOH
  2. 2 NH3 +H2SO4 → (NH4)2(SO4)
8 0
3 years ago
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