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
mrs_skeptik [129]
3 years ago
5

Zn + CuSO4 → Cu + ZnSO4

Chemistry
2 answers:
emmasim [6.3K]3 years ago
8 0

Explanation:

pls wat is the question behind this

Taya2010 [7]3 years ago
6 0
What’s the question?
You might be interested in
What is the basic unit of chemistry?
Luba_88 [7]
An atom hopefully this helps
7 0
2 years ago
Read 2 more answers
Write the Ka expression for an aqueous solution of hydrofluoric acid: (Note that either the numerator or denominator may contain
damaskus [11]

Answer:

Ka = ( [H₃O⁺] . [F⁻] ) / [HF]

Explanation:

HF is a weak acid which in water, keeps this equilibrium

HF (aq)  +  H₂O (l)  ⇄  H₃O⁺ (aq)  +  F⁻ (aq)      Ka

2H₂O (l)  ⇄  H₃O⁺ (l)  +  OH⁻ (aq)   Kw

HF is the weak acid

F⁻ is the conjugate stron base

Let's make the expression for K

K = ( [H₃O⁺] . [F⁻] ) / [HF] . [H₂O]

K . [H₂O] = ( [H₃O⁺] . [F⁻] ) / [HF]

K . [H₂O] = Ka

Ka, the acid dissociation constant, includes Kwater.

4 0
3 years ago
When a 10 mL graduated cylinder is filled to the 10 mL mark, the mass of the water was measured to be 10.085 g at 20ºC. If the d
Arte-miy333 [17]
The percentage error is the error of the measured value to the true value. To find he percent error, the equation is as follows:

Percent error = |Measured Value - True Value|/True Value  * 100
The || is needed to get the absolute value of the difference. Substituting the values,

Percent error = |(10.085 g/10 mL) - 0.9975 g/mL|/<span>0.9975 g/mL  * 100
</span><em>Percent error = 1.1% </em>
8 0
3 years ago
During photosynthesis, how many moles of water (H₂O) are needed to produce 150 grams of glucose
Nuetrik [128]

During photosynthesis, 5 moles of water are needed to produce 150 grams of glucose. The correct option is D.

<h3>What is photosynthesis?</h3>

It is the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.

  • Step 1: Write the balanced equation for photosynthesis.

6 CO₂ + 6 H₂O ⇒ C₆H₁₂O₆ + 6 O₂

  • Step 2: Convert 150 g of C₆H₁₂O₆ to moles.

The molar mass of C₆H₁₂O₆ is 180.16 g/mol.

150 g × 1 mol/180.16 g = 0.833 mol

  • Step 3: Calculate the moles of water required to form 0.833 moles of C₆H₁₂O₆

The molar ratio of H₂O to C₆H₁₂O₆ is 6:1.

0.833 mol C₆H₁₂O₆ × 6 mol H₂O/1 mol C₆H₁₂O₆ = 5.00 mol H₂O

During photosynthesis, 5 moles of water are needed to produce 150 grams of glucose. The correct option is D.

Learn more about photosynthesis here: brainly.com/question/3529377

#SPJ1

6 0
2 years ago
X-ray photons with a wavelength of 0.135 nm . express the energy numerically in kilojoules per mole.
STALIN [3.7K]
Using E=hν where h is Planck's constant and v is the frequency of the photon. In the question above,the wavelenght is given so we can find the frequency of the photon using c=λν. c is a constant =3*10^8 so frequency is equal to
(3*10^8)/0.135*10^-9. Then use ur frequency in the eqn above using h 6.626*10^-34
7 0
3 years ago
Read 2 more answers
Other questions:
  • I NEED HELP ASAP!!! THIS IS A 30 POINT QUESTION!!!
    11·2 answers
  • Suppose the boy skipped his lunch for a day how will the hormones from his pancreasls help his body to cope wwhen his blood suga
    13·1 answer
  • BRAINLIESTTT ASAP!!! PLEASE HELP ME :)
    15·1 answer
  • What is the molar mass of calcium bromide?
    14·1 answer
  • Which of these statements explains the difference between nuclear binding energy and the strong nuclear force? Check all that ap
    8·2 answers
  • 3. How many molecules of CO2 are in 6.0 g of CO2?
    5·1 answer
  • The question is listed in the image attached.
    10·1 answer
  • Pls can someone help me with this pls
    15·1 answer
  • How many moles are present in a 5.8 g sample of copper?
    6·1 answer
  • Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!