1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dmitriy555 [2]
3 years ago
11

I really need these!!

Biology
1 answer:
s2008m [1.1K]3 years ago
8 0
1- Combustion reactions are exothermic reactions since these reactions result in the emission of heat (heat is a product and not a reactant)

2- A substance with higher specific heat that water would be liquid ammonia. This means that, for the same amount of energy given to both water and liquid ammonia, water will heat faster and gain more thermal energy (in degree celcius) that liquid ammonia.

3- Conduction : occurs when heat is directly transmitted from a material to another due to the difference in temperature between both. Examples are:
a- when using an iron the heat is transferred from the  iron to the piece of clothe being ironed
b- if you hold a hot cup heat will transfer to your hand
c- when you hold chocolate with your bare hand it will melt due to the transfer of heat from your hand to the chocolate
d- when you heat food on the stove the heat will transfer from the flame to the pan
e- when you hold ice it melts due to the transfer of heat from your hand to the ice piece
f- when you place hot liquid in a cup the heat will transfer from the liquid to the cup and the cup will become hot
g- if you place a spoon in a plate containing hot food the heat will be transferred from the food to the spoon making it hot
h- when you walk on the sand beach during summer the heat will be transferred from the sand to your feet and your feet will be hot
i- if you hold someone's hand when he/sh is cold the heat will be transferred from your hand to his/hers
j- Light bulbs emit heat, if you touch them this heat will be transferred to your body

4- Convection : is the transfer of heat through liquids or gases. Examples:
a- when water at the bottom of a pot is heated, it transfers this heat to the water above by convection
b- the process of ice melting when left in the air where heat is transferred from the air to the ice
c- the same goes for chocolate melting
d- cooling a frozen substance using running water where heat is transferred from the water to the frozen substance
e- when you stream a hot cup of tea/coffee, you transfer heat from the tea/coffee to the air
f- when a radiator moves the hot air upwards and the cold air downwards
g- when a balloon rises up wen being filled with hot air
h- when the ocean circulates and heat is transferred from warm water to cool water
i- when heat is transferred from a bulb to the surrounding air
j- when you cool the radiator of your car using water where water is transferred from the radiator to the water.

5- Radiation: the emission of energy in the form of waves. Examples:
a- the sunlight (ultraviolet radiations of sunlight)
b- x-rays
c- the flame/light of a candle
d- the gamma radiations from the explosion of a star
e- microwaves of a microwave oven
f- the radiations of the mobile phone which are electromagnetic radiations
g- the beam of a laser
h- placing your hand over warm fire
i- emission of alpha particles from decaying uranium
j- the radio waves
You might be interested in
What process does a multi-cellular organism use to replace its damaged body cells
Zolol [24]

Answer: mitosis.

Explanation:

5 0
2 years ago
Read 2 more answers
Which of the following affect the amount of sun that Earth receives at any given location? Select the three correct answers.NEED
mixer [17]

<em><u>[</u></em><em><u> </u></em><em><u>TILT </u></em><em><u>]</u></em>

Explanation:

The 23.5° <u>tilt</u> in the Earth's axis of rotation.

6 0
2 years ago
Mutations that result in much less of a protein or a protein with limited function are known as.
yarga [219]

Answer:

Explanation:bye have a great day

8 0
2 years ago
Which of these is a predator?
pentagon [3]
D)carnivore
I hope this works bro
6 0
2 years ago
Read 2 more answers
Throughout human history, people have always consumed the milk of other animals
Phoenix [80]
What's the questions that's a statement


5 0
3 years ago
Read 2 more answers
Other questions:
  • What causes a rainbow?
    12·2 answers
  • Describe a negative consequence of biotechnolofy
    13·1 answer
  • The human eye has three types of cone cells. Damage to any one of the types of cone cells doesn’t cause total blindness because
    13·2 answers
  • The largest organ of the human body is the skin. The total external skin area of the average human covers an area of approximate
    7·1 answer
  • A female client arrives at the clinic reporting fatigue that is exhausting, bruising on the skin, and bleeding from the gums. Wh
    7·1 answer
  • What are the six kingdoms of life
    6·2 answers
  • Which of the following requires minerals for proper functioning
    11·1 answer
  • CLAVATA1 (CLV1) is a receptor kinase that limits stem cell number and differentiation in the shoot and flower meristems of Arabi
    14·1 answer
  • Consuming alcohol inhibits the release of ADH. As a result __________.
    12·1 answer
  • . The Texas Horned Lizard has a blood shooting defense mechanism that shoots out
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!