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3 years ago

Which consumers live in the open ocean?

Chemistry

2 answers:

Oksi-84 [34.3K]3 years ago

5 0

B. swordfish, dolphins, and sharks

mel-nik [20]3 years ago

3 0

<h2>Answer:</h2>

<u>The right option is B. swordfish, dolphins, and sharks </u>

<h2>Explanation:</h2>

Consumers have to feed on producers or other consumers to survive. They always prey to eat other animals or species of their own kind. They can also eat other species who interfere in their habitat. There are three types of consumers i.e primary, secondary and top predators. The top ones living off others in the sea which cause danger, one who puts to death other sea animals include swordfish, dolphins, and sharks.

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Some fertilizer blends contain magnesium nitrate (MgNO3). Suppose that a chemist has 1.24 liters of a 2.13 M solution of magnesi

VLD [36.1K]

The volume of the new solution is

calculation

by use of the formula

M1V1= M2V2

M1 (molarity 1) = 2.13 M

V1 (volume 1) = 1.24 l

M2 ( molarity 2) = 1.60 M

V2 (volume 2) = ?

by making V2 the subject of the formula

V2 = M1 V1/ M2

V2=( 1.24 x 2.13)÷ 1.60= 1.651 L

5 0

3 years ago

. In a titration, a 25.0 mL sample of 0.150 M HCl is neutralized with 44.45 mL of Ba(OH)2. a. Write the balanced molecular equat

choli [55]

Answer:

Equation of reaction:

a) 2HCl + Ba(OH)2 ==> CaCl2 + 2H2O

b) Molarity of base = 0.042 M.

Explanation:

Using titration equation

CAVA/CBVB = NA/NB

Where NA is the number of mole of acid = 2

NB is the number of mole of base = 1

CA is the molarity of acid =0.15M

CB is the molarity of base = to be calculated

VA is the volume of acid = 25 ml

VB is the volume of base = 44.45mL

Substituting

0.15×25/CB×44.45 = 2/1

Therefore CB =0.15×25×1/44.45×2

CB = 0.042 M.

5 0

2 years ago

The mass of .10 moles of iron is:

Stels [109]

Answer:

<em>so mass in gram=560grams</em>

Explanation:

number of moles=10moles

molar mass=56grams/moles

mass in gram of Fe=?

as we know that

$number of moles=\frac{mass in gram}{molar mass}$

<em>evaluating the formula</em>

<em>number of moles×molar mass=mass in gram</em>

<em>mass in gram=10moles×56grams/moles</em>

<em>mass in gram=560grams</em>

8 0

3 years ago

Read 2 more answers

PLEASE HELP ME ASAP!!!!

ipn [44]

The answer would be balanced

8 0

3 years ago

Read 2 more answers

Indicate whether each of the following would increase or decrease the rate of reaction

mote1985 [20]

The rate of a chemical reaction is affected by temperature, Catalysts, Suface area, Concentration.

<h3>Rate of reaction</h3>

The rate of a chemical reaction is the rate at which the concentration of reactant molecules decreases or the concentration of product molecules increases.

<h3>Factors effecting rate of chemical reaction </h3>

The factors that affect the rate of chemical reaction include:

Temperature: increase in temperature increases reaction rate while decrease in temperature decreases reaction rate.
Catalysts: the present of catalysts increase the reaction rate. Some catalysts decreases reaction rate and are known as negative catalysts.
Surface area: increase in surface area of reactants increases reaction rate.
Concentration: Increase in concentration of reactants increases reaction rate while decrease in concentration of reactants decreases reaction rate.

Therefore, the rate of a chemical reaction is affected by temperature, Catalysts, Suface area, Concentration.

Learn more about rate of reaction and factors affecting reaction rate at: brainly.com/question/15841605

7 0

2 years ago