3 years ago

Which of the following is NOT a chemical reaction?

Chemistry

1 answer:

Damm [24]3 years ago

6 0

Ice melting from water. Nothing has changed except the state of matter.

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A 6.0 Liter solution is made with 2 moles of solute. What is the molarity of the solution?

kodGreya [7K]

The formula for molarity is: mol/L. so it would be 2.0 mol/ 6.0 L.

the answer is: .33 M

hope this helps!

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3 years ago

In the laboratory, a volume of 100 mL of sulfuric acid (H2SO4) is recorded. How many g are there of the liquid if its density is

gladu [14]

Answer:

$\large \boxed{\text{183 g}}$

Explanation:

$\begin{array}{rcl}\text{Density} & = & \dfrac{\text{Mass}}{\text{Volume}}\\\\\rho & = &\dfrac{m}{V}\\\\1.83 \text{ g$\cdot$ cm}^{-3} & = & \dfrac{m}{\text{100 cm}^{3}}\\\\m & = & \text{183 g}\\\end{array}\\\text{There are $\large \boxed{\textbf{183 g}}$ of sulfuric acid.}$

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2 years ago

Methyl orange (HMO) is an acid-base indicator. Its two forms in solution are HMO (red) and MO- (yellow). When HMO is added to di

Anna007 [38]

Answer:add acid

Explanation:

Methyl orange is red in acid and yellow in base. When added to distilled water and the colour turns yellow, it means it is in its anion form. The equilibrium can be shifted towards the acid form (HMO) by adding acid. The acid will protonate the indicator shifting the position of equilibrium towards the acid side and the solution turns red.

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2 years ago

Câu 12. Hiện tượng nào sau đây không phải là sự nóng chảy?

Alik [6]

Mình nghĩ C là đáp án đúng

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2 years ago

Which turns metamorphic and sedimentary rocks into igneous rock? A. pressure and heat B. melting and cooling C. compaction and c

kondor19780726 [428]

the answer is b because sedimentary rock can change into metamorphic rock or into igneous rock which metaraphic to ignouans or sedmintary rock hope this help tell me if it is right and can i have a brainliest if this answer is right

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3 years ago

Read 2 more answers