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Studentka2010 [4]
3 years ago
9

How does energy change form when friction causes the temperature of an object to increase?

Chemistry
1 answer:
Oksanka [162]3 years ago
7 0
I believe the answer would be through the movement of the molecules, the higher the temperature the more the molecules move around and vibrate.
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This diagram shows a marble with a mass of 3.8 grams (g) that was placed into 10 milliliters (mL) of water.
ryzh [129]

Complete Question:

This diagram shows a marble with a mass of 3.8 grams (g) that was placed into 10 milliliters (mL) of water. Using the formula V M D = , what is the density of the marble?

(See attachment for full diagram)

Answer:

1.27 g/cm³

Explanation:

First, find the volume of rock:

Volume of rock = volume of water after rock was placed - volume of water before rock was placed

Volume of rock = 13 - 10 = 3ml

Density of rock = grams of rock per 1 cm³

Note: 1 ml = 1 cm³

Let x represent amount of rock per 1 cm³

Thus,

3.8g = 3 cm³

x = 1 cm³

Cross multiply

1*3.8 = 3*x

3.8 = 3x

3.8/3 = 3x/3

1.27 = x

Density of rock = 1.27 g/cm³

3 0
3 years ago
Is salad biotic or abiotic
Elenna [48]
Salad is biotic, it is made from plants and plants are alive.
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5 0
3 years ago
A. Would sucrase be classified as a oxidoreductase, a transferase, a lysase, an isomerase, a hydrolase, or a ligase enzyme? expl
Hatshy [7]

Sucrose, a disaccharide (consisting of two monosaccharides), is table sugar.

A digestive enzyme called sucrase catalyses the breakdown of sucrose into its component sugars, fructose and glucose. One type, sucrase-isomaltase, is secreted at the brush boundary of the small intestine. Invertase, a form of the sucrase enzyme that is more frequently found in plants, also hydrolyzes sucrose but does it in a different way.

<h3>What does sucrase break down into ?</h3>

Maltose is converted to glucose by maltase. Succrase and lactase, respectively, break down other disaccharides like sucrose and lactose. Sucrase and lactase are enzymes that break down sucrose (also known as "table sugar") and lactose (sometimes known as "milk sugar"), respectively, into glucose and fructose.

  • Both the breakdown of maltose into glucose and the breakdown of sucrose into glucose and fructose are carried out by the enzyme's sucrase subunit.

Learn more about Sucrase here:

brainly.com/question/910699

#SPJ4

6 0
1 year ago
Balance this equation, and then enter the coefficients, in order, below. hcl(g)+o2(g)⇌cl2(g) + h2o(g) express your answer as int
damaskus [11]
Try this explanation:
if to make up the equation of the reaction:
4HCl+O₂⇒2Cl₂+2H₂O

According to the equation the coefficients are: 4; 1; 2; 2.
6 0
2 years ago
Can someone help me please ?
Papessa [141]

Answer:

the second one that is it

Explanation:

bc i am o smaart like tht

6 0
3 years ago
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