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love history [14]
4 years ago
9

Fermeroben heres the messages COUGH

Chemistry
1 answer:
lord [1]4 years ago
6 0

I completely understand your gripe. I also believe that you are the better option. It will only take time until she is yours, despite your parent's views. Keep it up

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Why is it important to test new materials such as Acegram before marketing it to people?​
Luba_88 [7]
It is important because even if you believe your new product idea is a guaranteed winner, testing the market before you launch can help you tweak what you’re selling or how you’re selling it, helping you maximize your profits. Product marketing tests let you evaluate multiple aspects of your business strategy before you commit your entire budget.
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2 years ago
How does the movement of molecules inside a solid block of iron change as the iron is heated?
gladu [14]
The correct answer among the choices is the first option. The movement of the molecules inside a block of iron when it is heated is affected by the movement being faster as compared to the first conditions. Temperature is said to be directly proportional to kinetic energy which means as temperature increases, the kinetic energy also increases. Therefore, molecules now are moving faster.
3 0
4 years ago
Read 2 more answers
A 1.50 liter flask at a temperature of 25°C contains a mixture of 0.158 moles of methane, 0.09 moles of ethane, and 0.044 moles
RUDIKE [14]
This can be solved using Dalton's Law of Partial pressures. This law states that the total pressure exerted by a gas mixture is equal to the sum of the partial pressure of each gas in the mixture as if it exist alone in a container. In order to solve, we need the partial pressures of the gases given. Calculations are as follows:

P = P1 + P2 + P3
P = (82.0575 atm.cm^3/mol.K)( 298.15 K)/1.50 x 10^3 cm^3) x (<span>0.158 mole + 0.09 mol + 0.044 mol) = 4.76 atm</span>
3 0
4 years ago
Given the values for C (2.5) and O (3.5), calculate the electronegativity difference in a carbon monoxide bond, CO
34kurt

Answer:

ΔEN CO   = 1.0

Explanation:

To calculate the electronegativity difference, we have to substract the element which has the highest EN to the other, that has a low value.

For this case EN from O - EN from C

Electronegativity is a property of the periodic table that increases diagonally, where Fr and Rb are the elements of less EN while F is the most electronegative element, with a value of 4. This is because F is an element with a high ionization energy and a negative electronic affinity.

ΔEN CO  = 3.5 - 2.5 = 1.0

Electronegativity (EN) describes the ability of an atom to compete for

electrons with other atoms to which it is attached.

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4 years ago
E. the compound sodium sulfate is soluble in water. when this compound dissolves in water what ion would be present in solution?
dimaraw [331]
Sodium ions and sulfate ions shall be present in the solution.

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4 years ago
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