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
IgorC [24]
3 years ago
9

Which of the following best describes exothermic chemical reactions?​

Chemistry
1 answer:
zlopas [31]3 years ago
3 0
They always release heat
You might be interested in
Which pure substance can be classified as an element?<br> H2<br> NO3<br> NaCl<br> H2SO4
Varvara68 [4.7K]
H2 is an elemental gas
4 0
3 years ago
Read 2 more answers
Write the chemical symbol for the isotope of cobalt with 37 neutrons
oksano4ka [1.4K]

Answer:

64Co27

Explanation:

4 0
3 years ago
Ppredict the identity of the precipitate in the below reaction:<br><br> BaCl2(aq) + K2SO4(aq) →
Annette [7]

Answer:  The precipitate formed is BaSO_4

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid or precipitated form are represented by (s) after their chemical formulas.  

A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.  

The balanced chemical equation is:

K_2SO_4(aq)+BaCl_2(aq)\rightarrow BaSO_4(s)+2KCl(aq)

3 0
3 years ago
Which of the following statements is true?
k0ka [10]
The second and first one but if it isn’t 2 choices then 1
4 0
3 years ago
Solve for b if R = x(A + B)
Tatiana [17]

This is what I got. Hope it helps :)

7 0
3 years ago
Other questions:
  • A 74.28-g sample of ba(oh)2 is dissolved in enough water to make 2.450 liters of solution. how many ml of this solution must be
    8·1 answer
  • One gram of __________ contains more than twice the amount of energy of a gram of glucose.
    13·1 answer
  • How can you tell a density of a reaction?
    6·1 answer
  • The average density of whole milk is 1.034 g cm ^3. What is it’s density in lb gal ^-1?
    10·2 answers
  • Acetylene gas, C2H2, releases large quantities of heat when it burns, making it ideal for welding applications. This gas is gene
    6·1 answer
  • Potassium (K) combines with magnesium bromide (MgBr2) to form potassium bromide (KBr) and magnesium (Mg) during a chemical react
    15·1 answer
  • What is the electron configuration of chlorine (cl? 1s22s22p63s23p3 1s22s22p63s23p5 1s22s22p63s24s23p3 1s22s22p63s23p23d3?
    13·2 answers
  • Choose the balanced chemical equation below that best represents the following reaction:
    11·1 answer
  • In the food web below, what is one example of an omnivore?
    8·2 answers
  • Explain Rutherford’s gold foil experiment. What particle did he discover?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!