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3 years ago

12

Visible light is __________________________________ the electromagnetic spectrum. the same as, only one part of ,the major part

of

1 answer:

viva [34]3 years ago

4 0

Only one part of as there is a lot more that isn’t visible to us

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What amount of heat is removed to lower the temperature of 80 grams of water from 75º C to 45º C? The specific heat of liquid wa

Sindrei [870]

Answer:The correct answer option A.

Explanation:

$Q= m\times c\times \Delta T$

Q= heat removed from the water

m= mass of the water = 80 grams

c = heat capacity of water= 4.18 J/g°C

$\Delta T={\text{Change in temperature}}=45^oC-75^oC=-30^oC$

$Q=80g\times 4.18J/g^oC\times(-30^oC)$

Q = -10,032 joules $\approx$ -10,000 Joules

Negative sign indicates that heat was removed from the water.

Heat removed from the water of 80 gram of water is 10,032 Joules.Hence, the correct answer option A.

8 0

3 years ago

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According to the chart below, which element makes up a large portion of the

otez555 [7]

Answer:

B. Hydrogen (H)

c. Nitrogen (N)

D. Sodium (Na)

Explanation:

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3 years ago

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Which household items would be considered a base?

Vadim26 [7]

Answer:

<h2>Household bases. Some household items that contain acids include: yogurt, vinegar,lemon juice, citric acid, apples, jelly, pineapples, cranberry sauce, milk, and batteries. Other items around the house that contain bases consist of Ammonia, drain cleaner, baking soda, chalk, toothpaste, Windex, bleach, laundry detergent, shampoo, and egg whites.</h2>

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3 years ago

Anika [276]

Answer:

The answer A is correct

Explanation:

lazy, fast, rapid

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4 years ago

12. What is the main cause of movement of water in oceans?

Artemon [7]

Answer:

i think it's convection

3 0

3 years ago