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Fed [463]
3 years ago
9

What happens when an object has a density greater than that of the surrounding liquid?

Chemistry
2 answers:
vekshin13 years ago
4 0

Answer:

An object that has a higher density than the liquid it's in will sink

Explanation:

hopefully I helped

kaheart [24]3 years ago
4 0

Answer:

An object that has greater density or higher density than the liquid it's will sink in

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Why do you think there was a rush to mass-produce penicillin around the time of World War II?
Vladimir79 [104]

Answer:

penicillin could protect mice against infection from deadly Streptococci.

Explanation:

5 0
2 years ago
Read 2 more answers
A 12 gram piece of metal is heated to 300 °C from 100 °C with 1120 Joules of energy. What is the specific heat of the metal?
Sergeeva-Olga [200]

Answer:

The specific heat for the metal is 0.466 J/g°C.

Explanation:

Given,

Q = 1120 Joules

mass = 12 grams

T₁ = 100°C

T₂ = 300°C

The specific heat for the metal can be calculated by using the formula

Q = (mass) (ΔT) (Cp)

ΔT = T₂ - T₁ = 300°C  - 100°C   = 200°C

Substituting values,

1120 = (12)(200)(Cp)

Cp = 0.466 J/g°C.

Therefore, specific heat of the metal is 0.466 J/g°C.

7 0
2 years ago
If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the water and the calorimeter incr
Alinara [238K]

Answer:

The value of  the heat capacity of the Calorimeter  C_c = 54.4 \frac{J}{c}

Explanation:

Given data

Heat added Q = 4.168 KJ = 4168 J

Mass of water m_w = 75.40 gm

Temperature change = ΔT = 35.82 - 24.58 = 11.24 ° c

From the given condition

Q = m_w C_w ΔT + C_c ΔT

Put all the values in above equation we get

4168 = 75.70 × 4.18 × 11.24 +  C_c × 11.24

611.37 =  C_c × 11.24

C_c = 54.4 \frac{J}{c}

This is the value of  the heat capacity of the Calorimeter.

7 0
3 years ago
How would you know if this combination is likely to be found in dirt? Please explain!
Elan Coil [88]
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4 0
2 years ago
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Students in a science class were studying the physical properties of various elements and compounds. One lab group observed that
katrin2010 [14]

Answer:

A:metal

Explanation:

because if a light bulb was placed on metal with force it would light

7 0
2 years ago
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