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
sergij07 [2.7K]
3 years ago
14

Engineers are starting on a new project to develop technology. Which of these

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
3 0

Answer:

D.

Explanation:

Deciding whether the best product has been designed,should be the last step.

You might be interested in
Which pair of elements form in a conic bond with each other
Nutka1998 [239]

I think you mean ionic bond and not conic bond. The pair of elements that form an ionic bond are barium and chlorine.

3 0
3 years ago
Which of earths layers is a liquid
Nikitich [7]

Explanation:

the inner core is solid. the outer core is liquid

6 0
2 years ago
Read 2 more answers
Calculate the percentage by mass of oxygen in trioxonitrate (v) acid, (HNO3). [ H=1, N=14, O=16]​
Vadim26 [7]

Answer:

Percentage by mass of oxygen = 76.20% (Approx)

Explanation:

Given:

HNO3

H=1, N=14, O=16]

Find:

Percentage by mass of oxygen

Computation:

HNO3

Total mass = 1 + 14 + 3(16)

Total mass = 63

Mass of oxygen = (3)(16) = 48

Percentage by mass of oxygen = [48/63]100

Percentage by mass of oxygen = 76.20% (Approx)

4 0
3 years ago
What is the substance that is formed when the acid react with bases in a neutralization reaction?​
Leya [2.2K]

Answer:

Water and Salt

Explanation:

A neutralization reaction occurs when an acid and a base react to produce water and a salt, and it entails the formation of water from the mixture of H+ and OH- ions.

4 0
2 years ago
Read 2 more answers
There are 3 reactions of Calcium Carbonate, CaCO₃, that can be formed in this particular problem:
Elenna [48]

ΔH₁ = ΔH₂ - ΔH₃

ΔH₁ = -635.1-(178.3) KJ

ΔH₁ = -813.4 KJ

3 0
2 years ago
Other questions:
  • The buildings in this old mine are made of metal. You can see over 100 years, the silver color of the buildings has changed. The
    15·2 answers
  • Both kelp and diatoms are classified
    15·1 answer
  • Draw the kinetic and thermodynamic enolates formed when 3-methylbutan-2-one (methyl isopropyl ketone) is treated with base. Incl
    8·1 answer
  • What is the electron structure of a beryllium ion with a net ionic charge of +2?
    7·1 answer
  • Let the ED50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. If the
    6·1 answer
  • How do I find percent mass composition
    9·1 answer
  • Ins1502 assignment 03​
    13·1 answer
  • When something heats up, new energy is created, and when something cools down, energy is destroyed. agree disagree
    6·1 answer
  • I think it’s b but I’m not sure
    12·2 answers
  • A certain reaction is spontaneous at temperatures below 400. K but is not spontaneous at temperatures above 400. K. If ΔH° for t
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!