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ArbitrLikvidat [17]
3 years ago
15

Which skill involves creating representations of complex objects or processes? A. classifying B. predicting C. making models D.

evaluating (this is probably really easy, but my mind is going blank)
Chemistry
1 answer:
Murljashka [212]3 years ago
8 0

Answer:

C. making models

Explanation:

Making models facilitates constructing depictions of complex objects or practices that enable students to practice and understand how things work which can not be observed and measured directly. Model making needs abstract thinking about the tools and material used, spatial thinking, and well-organized idea of the project to create complex objects.

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What are some main points about star formation
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Explanation:

A Giant Gas Cloud. A star begins life as a large cloud of gas.

A Protostar Is a Baby Star.

The T-Tauri Phase.

Main Sequence Stars.

Expansion into Red Giant.

Fusion of Heavier Elements.

Supernovae and Planetary Nebulae.

6 0
3 years ago
A sample contains 110.68 g of calcium. How many moles is this?
pogonyaev

Answer:

About 2.8

Explanation:

4 0
4 years ago
An alloy of bronze is manufactured by melting 51.2 g of copper with 6.84 g of tin. What is the percent copper in the bronze?
Harlamova29_29 [7]

Answer:

Percentage of copper = 88%

Explanation:

Given data:

Mass of copper = 51.2 g

Mass of tin = 6.84 g

Percentage of copper = ?

Solution:

Formula:

Percentage of copper = mass of copper / total mass × 100

Now we will determine the total mass:

Total mass = mass of copper + mass of  tin

Total mass = 51.2 g + 6.84 g

Total mass = 58.04 g

Now we will calculate the percentage of copper.

Percentage of copper = 51.2 g / 58.04 g × 100

Percentage of copper = 0.88 × 100

Percentage of copper = 88%

5 0
3 years ago
Hey Need Help ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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6 0
3 years ago
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Cómo se denomina el calor que ponen en juego los sistemas materiales cuando cambian su temperatura? Seleccione una: a. Calor cin
Law Incorporation [45]

Answer:

La respuesta correcta es: b. Calor sensible

Explanation:

Al absorber calor, un sistema puede: aumentar su temperatura o cambiar de fase (es decir, pasar de un estado de agregación a otro). Los cambios de fase se producen a temperatura constante, por lo que el calor involucrado se denomina calor latente. Por ejemplo, cuando el agua líquida pasa a vapor por calentamiento a la temperatura de ebullición, esta temperatura se mantiene constante hasta que toda la masa de agua pasa al estado vapor. En cambio, cuando el sistema absorbe calor cambiando su temperatura pero permaneciendo en el mismo estado de agregación (por ejemplo, cuando calentamos agua líquida por debajo de la temperatura de ebullición), el calor involucrado se denomina calor sensible.

6 0
3 years ago
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