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
wolverine [178]
3 years ago
7

Give the chemical symbol for each of the following elements

Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer:

can I get the name of the elements please? However, below are a list of the elements & symbols.

Explanation:

<em>(Look at attachment)</em>

You might be interested in
I need this very fast so please answer this first! I will mark you as the Brainiest and put my max points so please hurry!!!
Korolek [52]

Answer:

Answer C

Explanation:

Heat is used to turn the solid ice into liquid water

3 0
3 years ago
Read 2 more answers
?A scientist is investigating how the lunar cycle affects the number of sea turtles nesting each night. Which of the following i
alexgriva [62]

Answer:

Number of nesting turtles

Explanation:

7 0
3 years ago
A copper rod that has a mass of 200.0 g has an initial temperature of 20.0°C and is heated to 40.0°C. If 1,540 J of heat are nee
almond37 [142]

Answer:

Specific heat of copper = 0.385 J/(gi°C)

Explanation:

Given:

Mass of copper (m) = 200 g =

Initial temperature (T1) = 20°C

Final temperature (T2) = 40°C

Heat needed (Q) = 1,540 J

Find:

Specific heat of copper = ?

Computation:

⇒ Change in temperature (ΔT) = T2 - T1

⇒ Change in temperature (ΔT) = 40°C - 20°C

⇒ Change in temperature (ΔT) = 20°C

⇒ Specific heat of copper = Q / [mΔT]

⇒ Specific heat of copper = 1,540 / [(200)(20)]

Specific heat of copper = 0.385 J/(gi°C)

5 0
3 years ago
What is the mass of 2N at 0.2829 atm 1.35 L and 25°C
maria [59]
<h3>Answer:</h3>

0.437 g

<h3>Explanation:</h3>

From the question we have;

Pressure of the gas as 0.2829

Volume of the gas as 1.35 L

Temperature of the gas as 25°C

But, K = °C + 273.15

Therefore, temperature of the gas is equivalent to 298.15 K

We are required to calculate the mass of the gas

<h3>Step 1: Number of moles of the gas </h3>

Using the ideal gas equation, PV = nRT , we can determine the number of moles.

R is the ideal gas constant, 0.082057 L.atm/mol.K

Therefore, rearranging the formula;

n = PV ÷ RT

 = (0.2829 atm × 1.35 L) ÷ (0.082057 × 298.15 K)

 = 0.0156 mole

Therefore, the number of moles of the gas is 0.0156 mole

<h3>Step 2: Mass of the gas </h3>

We know that mass of a compound is the product of moles and the molar mass.

Mass = Moles × Molar mass

Molar mass of the gas is 28.0134 g/mol

Therefore;

         = 0.0156 mole × 28.0134 g/mol

         = 0.437 g

Thus, the mass of the gas is 0.437 g

5 0
3 years ago
The density of HCN (hydrogen cyanide) gas at STP is 1.21g/L. What volume will 100.0g of HCN occupy at STP?
Masteriza [31]
It would be B 0.012L
4 0
3 years ago
Other questions:
  • Calculate the energy (in kJ) required to heat 10.1 g of liquid water from 55 oC to 100 oC and change it to steam at 100 oC. The
    8·1 answer
  • The invisible force that surrounds a magnet is called the ________
    9·1 answer
  • What do organisms do with the organic carbon
    11·1 answer
  • A pure compound is found to be 40.0% carbon by mass, 6.73% hydrogen by mass, and 53.3% oxygen by mass. determine the empirical f
    12·1 answer
  • What are the 10 physical properties?
    6·1 answer
  • 65.5g of copper reacts with __g of oxygen to produce 81g copper(I) oxide
    6·1 answer
  • What element has 47 protons in its nucleus?
    7·1 answer
  • A point has no demension.​
    8·1 answer
  • Do the multiplication and show the answer with the correct significant figures.
    11·2 answers
  • 8. What did the Dust Bowl teach us?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!