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2 years ago

Which statement accurately describes how electrical power and voltage are

Chemistry

2 answers:

Crank2 years ago

8 0

Explanation:

The way ohms work it always has to be half

neonofarm [45]2 years ago

7 0

Answer: B

Explanation:

According to Ohm's Law, the answer is B.

Ohm's Law states that power is equal to volume x current.

If volume x current equals power, that means they are both 50% of power.

Ohm's Law:

power = voltage x current

current = voltage x power

voltage = power x current

I hope this answer helped.

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3. 2KOH + H2SO4 = K2SO4 + 2H2O what chemical reaction is it.

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From what is given, double replacement is what it is

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1 year ago

For a species with a diploid number of 26, indicate how many chromosomes will be present in the somatic nuclei of individuals th

Sedbober [7]

Answer:

Haploid - 13

Triploid - 39

Tetraploid - 52

Trisomic - 27

Monosomic - 25

Explanation:

A haploid organism has half the chromosome number of a diploid version, hence 26/2 = 13

A triploid organism has 3 sets of a haploid chromosomes, hence 13 x 3 = 39

A tetraploid is double of a diploid, 26 x 2 = 52

Trisomic organisms have one extra chromosome in addition to the normal diploid. Hence 26 + 1 = 27

Monosomic organism has one less chromosome than the normal diploid. Hence 26 - 1 = 25

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2 years ago

Describe how/why earth is layer the way it is

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2 years ago

Indicate the bond polarity (show partial positive and partial negative ends) in the following bonds a) C-O b) P-H c) H-Cl d) Br-

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1 year ago

Boron trifluoride gas is collected at 2.0 degree C in an evacuated flask with a measured volume of 15.0 L. When all the gas has

IgorC [24]

Answer:

Moles of boron trifluoride gas that were collected = 11.6 mol

Mass of boron trifluoride gas that were collected = 787 g

Explanation:

Given that:

Temperature = 2.0 °C

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15

So,

T = (2.0 + 273.15) K = 275.15 K

V = 15.0 L

Pressure = 0.130 atm

Using ideal gas equation as:

$PV=nRT$

where,

P is the pressure

V is the volume

n is the number of moles

T is the temperature

R is Gas constant having value = 0.0821 L atm/ K mol

Applying the equation as:

0.130 atm × 15.0 L = n ×0.0821 L atm/ K mol × 275.15 K

⇒n = 11.6 mol

<u>Thus, Moles of boron trifluoride gas that were collected = 11.6 mol </u>

Molar mass of boron trifluoride gas = 67.82 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$11.6\ mole= \frac{Mass}{67.82\ g/mol}$

<u>Mass of boron trifluoride gas that were collected = 787 g</u>

7 0

2 years ago