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Marat540 [252]
2 years ago
10

Into what kinds of energy does a toaster convert electrical energy?

Chemistry
2 answers:
KengaRu [80]2 years ago
6 0

the answer is C. light and heat

slega [8]2 years ago
5 0

Answer is light and heat.

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A rigid vessel filled to 0.8 of its volume with liquid nitrogen at its normal boiling point is allowed to warm to 25°C. What pre
rodikova [14]

Answer:

704.25 atm

Explanation:

From the ideal gas equation

PV = nRT

P = nRT/V

Molar volume (V/n) = 34.7 cm^3/mol, n/V = 1/34.7 = 0.0288 mol/cm^3

R = 82.057 cm^3.atm/mol.K

T = 25°C = 25+273 = 298 K

P = 0.0288 × 82.057 × 298 = 704.25 atm

5 0
3 years ago
How many moles are in 100.56g HCI?
DedPeter [7]

Answer:

2.7475 mol≈2.75 mol

Explanation:

M(HCl) = 1.0 + 35.5 = 36.6 g/mol

100.56 g HCl *(1 mol HCl/36.6 g HCl)≈ 2.7475 mol≈2.75 mol

5 0
2 years ago
The table shows five items that a person may consider including in a safety contract.
zhenek [66]

Answer:

1,2, and 5

Explanation:

5 0
3 years ago
How many kilograms of water must be added to 6.07 grams of oxalic acid (H2C2O4) to make a 0.025 m solution?
uranmaximum [27]
This dilution problem uses the equation
M
a
V
a
=
M
b
V
b

M
a
= 6.77M - the initial molarity (concentration)
V
a
= 15.00 mL - the initial volume
M
b
= 1.50 M - the desired molarity (concentration)
V
b
= (15.00 + x mL) - the volume of the desired solution
(6.77 M) (15.00 mL) = (1.50 M)(15.00 mL + x )
101.55 M mL= 22.5 M mL + 1.50x M
101.55 M mL - 22.5 M mL = 1.50x M
79.05 M mL = 1.50 M
79.05 M mL / 1.50 M = x
52.7 mL = x
59.7 mL needs to be added to the original 15.00 mL solution in order to dilute it from 6.77 M to 1.50 M.
I hope this was helpful.
4 0
2 years ago
Which of these is a chemical property of iron?
denpristay [2]
Iron becomes rusted especially in damp air but never in a dry air,  this is one of the many unique characteristics of iron. Iron is also ductile and malleable. It is found in the seventh group of the periodic table. It has four different and unique crystalline forms and completely dissolves in dilute acids. The two chemical compounds that can be found or made from iron are the bivalent iron also known as ferrous and the trivalent iron or known as ferric compounds.
7 0
3 years ago
Read 2 more answers
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