Density is a physical property of matter. Density does not change the identity of the substance; it just shows how close the particles of the substance are to each other.The density of a substance also does NOT Change If you change the amount of the substance. One gram of gold has the same density as 10,000 grams of gold,
What is the density of gold if you have 96.9 grams of gold and it takes up 5mL of space?
17.9 g/mL
103.199174 g/ml
50,000 g/ml
19.32 g/mL

PLS HELP AND IF YOU CAN PLEASE HELP ME ON MORE, thanks!

Answers

Answer 1

Answer:

Answer:

The density of gold is 19. 38 $(g)/(mL)$

Explanation:

Density is defined as the property that matter, whether solid, liquid or gas, has to compress in a given space. In other words, density is a quantity that allows you to measure the amount of mass in a given volume of a substance. So, the expression for the calculation of the density is the quotient between the mass of a body and the volume it occupies:

$density=(mass)/(volume)$

Density, according to the International System of Units, is usually expressed in kilogram per cubic meter (kg/m³) or gram per cubic centimeter (g/cm³). Although it can also be expressed in any other unit of mass by volume.

In this case:

mass= 96.9 grams
volume= 5 mL

Replacing:

$density=(96.9 g)/(5 mL)$

density=19. 38 $(g)/(mL)$

The density of gold is 19. 38 $(g)/(mL)$ , that you could approximate the option 19. 32 $(g)/(mL)$

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A student wants to increase the maximum amount of sugar that can dissolve in water. She crushes the sugar and then stirs it into the water. Does this work? Explain why or why not.

Answers

Answer:

The amount of sugar that can dissolve in water increase .

Explanation:

Energy, which is the capacity to do work or produce heat, affects the rate at which a solute will dissolve.
Breaking up, crushing or grinding a sugar cube before adding it to water increases the sugar's surface area.
The more surface area a solute has, the faster it will dissolve because more particles of the sugar can interact with the water.
This means the finer the sugar particles, the faster it will dissolve.
The sugar in the middle of a sugar cube is protected from the water by the sugar in the outer layers of the cube; the water has to go through those outer layers first.
But if you crush the cube into a powder, all of the sugar is exposed to the water at once.

Explain which atom L or M is more stable and why

Answers

An atom consists of a nucleus of protons and neutrons, surrounded by electrons. Each of the elements in the periodic table is classified according to its atomic number, which is the number of protons in that element's nucleus. Protons have a charge of +1, electrons have a charge of -1, and neutrons have no charge. Neutral atoms have the same number of electrons and protons, but they can have a varying number of neutrons. Within a given element, atoms with different numbers of neutrons are isotopes of that element. Isotopes typically exhibit similar chemical behavior to each other.

Which of the following statements is true?1. Dalton believed atoms were made mostly of empty space.
2. Plasmas have a net negative charge.
3. The number of protons in an element is always equal to the number of neutrons.
4. Solids have a fixed mass, volume, and shape.

Answers

Answer: Solids have a fixed mass, volume, and shape.

Explanation: Solids are the substances which have fixed shape, fixed volume and mass due to its close packed structure.

Dalton explained that all the elements are made up of small indivisible particle known as Atoms but after some time this was proved wrong as atoms is not indivisble, it conatins sub atomic particle like electrons, protons, neutrons etc.

Plasmas are considered as the fourth state of matter which contains equal quantity of positive ions and negative electrons.

The number of protons are equal to the number of electrons. The sum of number of protons and neutrons make the atomic mass quantity.

solids have a mixed mass, volume, and shape.

Magma that is low in silica has little __________ among its particles, which results in low viscosity.1.aa
2.pahoehoe
3.friction
4.viscosity
5.element
6.silicia
7.compound
8.carbon

Answers

Correct answer choice is:

3) Friction

Explanation:

Low viscosity relates to materials that are thin, such as water, while high viscosity materials are thick. The viscosity of a fluid is a sum of its opposition to progressive deformation by shear strain or tensile stress. For liquids, it compares to the simple idea of thickness, for example, honey has a very greater viscosity than water.

Answer:

Option (3)

Explanation:

The magma that is comprised of low silica content is termed as low viscosity magma. By low viscosity magma, it means that the magma can easily flow over the surface, without any difficulty. This indicates that there is less friction between the surface and the flowing magma. Friction usually refers to the resistant force that obstructs the flow of a liquid in any direction.

When there is a high frictional force, then the liquid flows very slowly with much difficulty. On the other hand, when there is a low force of friction, then the liquid can flow easily over a surface.

Thus, in a low viscosity magma, there is low silica content, so there is less frictional force between the surface and the magma, and the magma flows easily over the surface.

Hence, the correct answer is option (3).

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Answers

The tying results in the more visible veins of upper arms due to blood flow restriction.

Veins are the part of circulatory system in the body, that functions to carry deoxygenated blood from different parts of the body to the heart.

The venipuncture has been the process of insertion of drugs or chemicals in a body through vein. The veins of the upper arm has been tied to make them more visible.

The upper arm veins are more visible as there has been blood flow restriction in the veins by tying that results in the bulging out of the vein.

For more information about veins, refer to the link:

brainly.com/question/9726668

What would be the density if a nugget of gold’s mass of 965g and a volume of 50cm