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
Doss [256]
2 years ago
15

Need help soon as possible

Chemistry
1 answer:
anyanavicka [17]2 years ago
3 0

Answer:

The oeriodic table have 8 groups

You might be interested in
According to 2011/Chemistry Reference Tables
Phoenix [80]

Answer:

C

Explanation:

C. The electronegativity value of calcium is lower than the electronegativity value of silicon

is the only correct statement.

4 0
3 years ago
Ammonia is produced by the Haber process. The equation is shown.
choli [55]

Answer:

option D

Explanation:

Increasing the temperature increases the yield of ammonia and speeds up the reaction as chemical reaction is affected by temperature.

7 0
2 years ago
Read 2 more answers
Which statement best describes the relationship between observations and conclusions? A. Observations are based on Conclusions B
irga5000 [103]

Answer:

B. Conclusions are based on observations

Explanation:

7 0
3 years ago
1. How many protons does 14/6 C contain? What element is this?
Harman [31]

Answer:

It has 6 protons and its Carbon 14

Explanation:

3 0
3 years ago
Calculate the grams of sulfur dioxide, SO2, produced when a mixture of 35.0 g of carbon disulfide and 30.0 g of oxygen reacts. W
alekssr [168]

Answer:

58.9g of SO2 is produced

8g of oxygen remains unconsumed

Explanation:

The burning of Carbon disulfide (CS2) in oxygen. gives the reaction:

CS2 (g) + 3O2 (g) → CO2 (g) + 2SO2 (g)

Molar mass of CS2 = 76.139 g/mol

Molar mass of O2 = 15.99 g/mol

Molar mass of SO2 = 64.066 g/mol

Number of moles of CS2 = 35g/ 76.139 g/mol =0.46 moles

Number of moles of O2 = 30g/15.999 g/mol =1.88 moles

From the chemical reaction

1 mole of CS2 react with 3 moles of O2 to give 2 moles of SO2

Thus 0.46 moles of CS2 reacts to form 2× 0.46 = 0.92 moles of SO2

Mass of SO2 produced = 0.92×64.07 = 58.9g of SO2 is produced

thus 0.46 moles of CS2 reacts with 3 × 0.46 moles of O2 which is =1.38 moles of O2

Thus oxygen is the limiting reactant with 1.88 - 1.38 = 0.496~~0.5 mole remaining

Or 8g of oxygen

58.9g of SO2 is produced

oxygen is the limiting

4 0
3 years ago
Other questions:
  • General or nonspecific observation is
    6·1 answer
  • Which statements describe an element? Check all that apply.
    5·2 answers
  • Is this how you draw a punnet square???
    6·2 answers
  • What is not represented by a balanced chemical equation?
    12·2 answers
  • A balloon containing a sample of helium gas measures 1.50 L at a temperature of 25.0°C is placed in a refrigerator at 36.0°F. Ca
    6·1 answer
  • What are Earth's four interconnected global systems?
    7·1 answer
  • Does anyone know how to do this?
    6·1 answer
  • You see a worm crawling along the ground and wonder if scientists consider it living or nonliving. Which item below would not be
    11·1 answer
  • What is the molarity of a 800. mL solution of magnesium bromide if 57.42 g of MgBr2 is dissolved in water?
    12·1 answer
  • Which of the following is one way to prevent air pollution ill give brainiest if you don't copy the answers from the first perso
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!