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
Katena32 [7]
3 years ago
5

In an endothermic reaction, a drop in temperature would be observed. TRUE or FALSE

Chemistry
2 answers:
zvonat [6]3 years ago
8 0
The answer is True! Hope this helps correct me if I’m wrong
vova2212 [387]3 years ago
6 0
True is the correct answer
You might be interested in
When coal or oil are burned, some part of it is completely combusted, forming co2; another part is partially combusted, forming
Arturiano [62]
These are main components of Industrial Smog. Smog is air pollutant. Main sources of Smog are 1) Coal, 2) Transportation Emission, 3) Natural Causes. Those areas are mainly effected which are located in Industrial Zones and those which has high traffic density. Cities like Delhi, Beijing, London, Maxico City, Log Angeles, Tehran e.t.c are reported to be highly effected by smog. Among these polutants, CO₂ is the main source of Global Warming, CO has adverse effects on human health as it has 200 times more potency to bind with Hemoglobin compared to Oxygen, SO₂ when present in air reacts with water producing acid rain e.t.c.
6 0
3 years ago
What is the density at 20 degrees Celsius of 12.0 mL of a liquid that has a mass of 4.05g?​
zmey [24]

Answer:

<h3>The answer is 0.34 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{4.05}{12}  \\  = 0.3375

We have the final answer as

<h3>0.34 g/mL</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
Which of the following elements is the most reactive A.potassium B.Lithium C. Sodium D. Rubidium
Alika [10]
The awnser is D beacuse the lower in group one you get the more reactive with water
5 0
3 years ago
When energy is added to a substance at constant volume and pressure, its temperature increases except ________.
Travka [436]

A. When the substance is in its gaseous state.

<u>Explanation:</u>

When a substance is expanding against its constant volume and pressure, its temperature increases except when the substance is in gaseous state and not in liquid or solid state. So the internal energy increase in the system not only increases and maintaining the volume and pressure of the system remains constant in its gaseous phase. In the first law of Thermodynamics, it is used specifically that to especially in the case of gaseous system.  

<u></u>

7 0
3 years ago
Find the opposite words from the text a.Fold b. noisy c. uncertainly​
vlabodo [156]

Answer:

a.Fold × unfold

b. noisy × peaceful

c. uncertainly × certainly

5 0
2 years ago
Read 2 more answers
Other questions:
  • The _____________ is the temperature at which a substance changes from solid to liquid; ________________ is the temperature at w
    13·1 answer
  • At 20.°C, a 1.2-gram sample of Mg ribbon reacts rapidly with 10.0 milliliters of 1.0 M HCl(aq). Which change in conditions would
    8·2 answers
  • Helpppppp pls pls pls pls pls chem
    11·1 answer
  • What is enthalpy?
    15·1 answer
  • he combustion of propane (C3H8) is given by the balanced chemical equation C_3H_8+5O_2\longrightarrow3CO_2+4H_2O C 3 H 8 + 5 O 2
    14·1 answer
  • Many portable gas heaters and grills use propane, C3H8.
    6·1 answer
  • How many scientific methods
    5·1 answer
  • A spinning turbine can generate electricity only in the form of a/an _______ current.
    13·1 answer
  • Trimix 10/50 is a gas mixture that contians 10% oxygen and 50% helium, and the rest is nitrogen. If a tank of trimix 10/50 has a
    8·1 answer
  • Which element is more metallic among beriliyum or calcium? Give reason
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!