Chemistry » Page 96

Chemistry

Rhys

El nitrogeno es un gas que se utiliza para conservar embriones, su temperatura es de - 195,8ºc calcula esta temperatura en K y ºF

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Chemistry

Kaleigh Dickerson

Is ammonia an alkali or base?

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Chemistry

Eliza Pierce

The "nitrogen rule" of mass spectrometry requires a compound containing an odd number of nitrogens to have an odd-mass molecular ion and a compound containing an even number of nitrogens to have an even-mass molecular ion.

What is the molecular formula of the CHN-containing compound imidazole, M + = 68?

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Chemistry

Sumo

Fraternal twins are formed when two different sperm fertilize two different eggs. How do you think physical characteristics, such as hair color and facial features, differ in fraternal twins compared to identical twins? How does the way each type of twins develop contribute to these differences?

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Chemistry

Noelle Browning

Which of these describes how traits are shown on a branching tree diagram? Group of answer choices All the traits developed at the same time. The traits developed in organisms in random order. Traits lower on the tree developed before traits higher on the tree. Traits higher on the tree developed before traits lower on the tree.

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Chemistry

Eve Brewer

Which mineral is softer than fluorite

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Chemistry

Diana Norman

What is the resultant molarity of 20mL of a 3.5M solution is diluted to 100mL? Will mark brainliest

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Chemistry

Donna Benson

Write the formula and name of the compound formed from the following ionic interactions:

(a) The 2 + ion and the 1 - ion are both isoelectronic with the atoms of a chemically unreactive Period 4 element.

(b) The 2 + ion and the 2 - ion are both isoelectronic with the Period 3 noble gas.

(c) The 2 + ion is the smallest with a filled d subshell; the anion forms from the smallest halogen.

(d) The ions form from the largest and smallest ionizable atoms in Period 2.

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Chemistry

Nathen Jones

What quantity is ph a measure of

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Chemistry

Kaitlynn

A silver necklace is made from a pure sample of silver that is free of I'm purities. Which term or terms could be used to describe this sample of silver?

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Chemistry

Miley Reynolds

When benzene (c6h6) reacts with bromine (br2) bromobenzene (c6h5br) is obtained: c6h6 + br2 → c6h5br + hbr what is the theoretical yield of bromobenzene in this reaction when 30.0g of benzene reacts with 65.0 g of bromine?

b. if the actual yield of bromobenzene was 56.7 g what was the percentage yield?

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Chemistry

Friday

For each scenario, determine if the electron has absorbed energy or emitted energy,

An electron jumps from n = 3 to n = 1.

An electron jumps from n = 2 to n = 3.

An electron jumps from n = 1 to n = 2.

An electron jumps from n = 3 to n = 2.

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Chemistry

Summer Dyer

One twelfth of the mass of a carbon-12 atom is used to define a

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Chemistry

Jaycee Duke

Calculate the heat lost by the hot water using your results for Experiment 3: Measuring the Enthalpy of Fusion of Water. Heat must be expressed in kilojoules (kJ). Q = (4.18 J/g °C) x (1 kJ/1000 J) x mass of water (g) x ΔT

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Chemistry

Rylee Glover

How many molecules are there in 8.00 grams of glucose, C6H12O6

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