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3 years ago

What is a physical property of silver?

2 answers:

7 0

Study sometime, lol JK! I'm here to help.

Physical Property. ... Physical properties of matter include color, hardness, malleability, solubility, electrical conductivity, density, melting points, and boiling points. For the elements, color does not vary much from one element to the next. The vast majority of elements are colorless, silver, or gray.

So the answer would be Density

Musya8 [376]3 years ago

5 0

The physical property of silver include being the most malleable metal. It is a soft, white metal, and has a shiny surface.

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What is the weight of oxygen in 50gwater

8_murik_8 [283]

To compute the required mass of the element to form the given molecules, we'll use the general formula shown below:

{eq}\displaystyle m_1=\frac{M_1}{M_2}\times m_2 {/eq}, where,

{eq}M_1 {/eq} is the molecular weight of the element.

{eq}M_2 {/eq} is the molecular weight of the given molecule.

{eq}m_2 {/eq} is the mass of the given molecule.

Answer and Explanation:

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The given value is:

The value of the mass of the water molecule is {eq}m_2=\rm 50\ grams {/eq}.

The chemical reaction for the formation of water...

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Formula for Mass: Definition & Examples

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Chapter 28 / Lesson 42

52K

What is mass? Learn the mass definition and how to find the mass of an object using the mass formula. See common mass characteristics and properties.

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5 0

2 years ago

4 Al + 3 O2 --> 2 Al2O3

SIZIF [17.4K]

Answer:

The answer to your question is 7.4 moles of Aluminum

Explanation:

Data

moles of Al = ?

moles of Al₂O₃ = 3.7

Balanced chemical reaction

4 Al + 3 O₂ ⇒ 2 Al₂O₃

To solve this problem use proportions and cross multiplication. Use the coefficients of the balanced chemical equation.

4 moles of Aluminum ----------------- 2 moles of Al₂O₃

x ----------------- 3.7 moles of Al₂O₃

x = (3.7 x 4) / 2

x = 14.8 / 2

x = 7.4 moles of Aluminum

5 0

3 years ago

Which of the following uses light energy to convert co2 and h2o to organic compounds?

Dimas [21]

Photosynthesis is where carbon dioxide and water through light energy is converted in glucose and other organic compounds.

4 0

3 years ago

Due in a bit! please help tysm btw!

Free_Kalibri [48]

Answer:

Unbalanced

Explanation:

4 0

3 years ago

Read 2 more answers

Read each statement regarding food and beverages in the lab and determine if each is true or false.

Scrat [10]

Answer:

1. True

2. False

3. False

4. True

Explanation:

A lab is an abbreviation for laboratory and it can be defined as a building that is equipped with scientific equipments and apparatus, which are used for performing scientific experiments, manufacturing of chemicals and drugs, research, testing and analysis of hypothesis in order to establish a theory.

Generally, laboratory scientists, technicians, students and anyone going into a laboratory is prohibited from taking in edible items such as food and water.

Basically, all laboratories are required to place a visible warning sign around the lab prohibiting the bringing in and ingestion of food in any form.

1. True: Tobacco products of all kinds are prohibited in lab.

2. False: Beverages are allowed in lab as long as they are in containers with lids. It's completely prohibited from the lab so as to prevent food poisoning.

3. False: Chewing gum is okay in the lab as long as you don't blow bubbles.

4. True: Food items should not be brought into the lab.

6 0

3 years ago