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Monica [59]
3 years ago
13

What is the voltage across a 100 ohm circuit element that draws a current of 1 A?

Chemistry
1 answer:
andrey2020 [161]2 years ago
7 0

Answer:

8) 45 volt

9) 8 ohms

100 volt

Explanation:

using ohms law all through

  • V=IR

8) v = 3×15

9) R= 120/15

the last V=100×1

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What type of substance is always made up of a single type if atom
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Answer:

An Element

Explanation:

An Element is made up of only one type of atom (Gold, Silver, etc.)

Hope this helps!

4 0
3 years ago
In this graph, what are the independent and dependent variables?
NeTakaya

Answer:

mass of hummingbirds is dependent and whatever the other one is the independent

Explanation:

4 0
3 years ago
Read 2 more answers
Toluene (C7H8) and nitric acid (HNO3) are used in the production of trinitrotoluene (TNT, C7H5N3O6), an explosive. C7H8 + HNO3 =
olga55 [171]
  The mass in grams  of nitric  acid that is required  to react  with 454g C7H8 is 932.72  grams

     calculation
find the  moles  of C7H8  used
moles = mass/molar mass

= 454 g/92  = 4.935  moles

balanced reacting  equation

C7H8  +3 HNO3  = C7H5N3O6  +3 H20
by  use of mole ratio between  C7H8  to  HNo3  which is  1:3  the moles of  HNO3  =4.935  x3 = 14.805  moles

mass of HNo3  =  moles  x molar mass
= 14.805  x 63  = 932.72  grams

part B

the  mass of  C7H5N3o6 = 2045.5 grams

calculate the moles of C7H8
= 829 g/92  g/mol  = 9.011  moles

by use of mole  ratio  between C7H8 to C7H5N3O6  which is  1:1  the moles of  C7H5N3O6  is also  = 9.011  moles

mass of  C7H5N3O6  is therefore  =  moles x molar mass

=9.011 x227  = 2045.5 grams
8 0
3 years ago
Solve for b, when c= a/b and a = 5.8 and c= 7.4
vova2212 [387]

Answer:

b= 42.92

Explanation:

5.8 x 7.4 = 42.92

4 0
3 years ago
What is the chemical formula for 2-propanol?
monitta

i think the answer is  C3H8O

8 0
3 years ago
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