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Yanka [14]
3 years ago
14

Which expression is equal to the number of grams (g) in 2.43 kilograms (kg)?

Chemistry
2 answers:
arlik [135]3 years ago
8 0

In the question given above, we are asked to find the gram equivalent of 2.43 kg.

In standard metric measurement,

1 Kilogram [kg] = 1000 grams [g], therefore,

2.43 Kg = 1,000 * 2.43 = 2,430 g.

Thus, the gram equivalent of 2.43 Kg is 2, 430 g.

Gre4nikov [31]3 years ago
4 0
2.43 kilograms is equal to 2430 grams because 1 kilogram is equal to 1000 grams.
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The excerpt from an essay about higher education that most clearly shows an example of logos is:

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<h3>What is Logos?</h3>

The Logos Definition is one that is often argued by a lot of people as people tends to appeal to others emotions and some other times, people do appeal to one's' ethics or morals.

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8 0
2 years ago
Five more than two times the square root of a number is fifteen. What’s the number
ryzh [129]
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Assume that a daily diet of 2000 calories (i.e. 8.37 x 106 J) is converted completely to body heat.
slava [35]

Answer:

(a) the mass of the water is 3704 g

(b) the mass of the water is 199, 285.7 g

Explanation:

Given;

Quantity of heat, H= 8.37 x 10⁶ J

Part (a) mass of water (as sweat) need to evaporate to cool that person off

Latent heat of vaporization of water, Lvap. = 2.26 x 10⁶ J/kg

H = m x Lvap.

m = \frac{H}{L._{vap}} =\frac{8.37 * 10^6.J}{2.26*10^6\ \frac{J}{kg}} = 3.704 \ kg

mass in gram ⇒ 3.704 kg x 1000g = 3704 g

Part (b) quantity of water raised from 25.0 °C to 35.0 °C by 8.37 x 10⁶ J

specific heat capacity of water, C, 4200 J/kg.°C

H = mcΔθ

where;

Δθ is the change in temperature = 35 - 25 = 10°C

m =\frac{H}{c* \delta \theta} = \frac{8.37 *10^6}{4200*10} = 199.2857 kg

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5 0
3 years ago
What is love and why it's to forget about it.
kozerog [31]

Answer:

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Match the following reactions with the reaction type. You may use each type more than once.
vaieri [72.5K]

Answer:

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3)synthesis

4)Double-replacement reaction

5)single-replacement reaction

6)Double-replacement reaction

Explanation:

Step 1: Data given

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A + B → C

A and B are the reactants to form a new product C

Decomposition: This is a reaction where 1 (more complex) compound will be broken down into 2 or more (more simple)  products.

This can be shown by the following equation:

AB → A + B

A single replacement: This is a reaction where one element wil be replaced by another element in the same compound. This can be shown by the following equation:

A + BC → B + AC

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A double-replacement: This is a reaction where the positive and negative ions of two ionic compounds will be exchanged and 2 new compounds willbe formed. This can be shown by the following equation:

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4) Mg(OH)2(aq) + 2HNO2(aq) → Mg(NO2)2(aq) + 2 H2O(l)

⇒  Double-replacement reaction

5) Ca(s) + 2AgNO3(aq) → Ca(NO3)2(aq) + Ag(s)

⇒  Single-replacement reaction

6) Al2O3(s) + H2SO4(aq) → Al2(SO4)3(aq) + H2O(l)

⇒  Double-replacement reaction

8 0
3 years ago
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