3 years ago

Which statement about mixtures below is most accurate?

1 answer:

5 0

C. Salad is heterogeneous because you can easily see the different parts. Lemonade is homogeneous because it mixes together so that you cannot easily separate it's parts

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The Earth's orbit is a(n) ___shape. .

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Answer:

elliptical/ellipse

Explanation:

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Astronomer Johannes Kepler discovered and founded his three laws of planetary motion. One of these laws states that the orbit of all planets, including Earth, is in an elliptical shape rather than a circle.

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3 years ago

1) The real basis of periodicity of elements is the electron

SIZIF [17.4K]

Answer:

charge

Explanation:

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3 years ago

Silicon has four electrons in its outer energy level. What type of bond is silicon mostly likely to form with other elements? Ex

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Since it has 4 electrons, it needs only 4 more to be stable. Therefore, it would share electrons, which is a covalent bond.

Answer: Covalent bond

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3 years ago

Write a balenced chemical equation for the reaction: include abbreviation for the physical states-

WITCHER [35]

Answer:

MgBr(aq) + (NH4)3PO4(aq) -------> NH4Br(aq) + Mg3(PO4)2(s)

Explanation:

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4 years ago

1. EXPLAIN the steps required to find the molar mass of NH3 . Also,

Natasha_Volkova [10]

Answer: Molar mass of $NH_3$ is 17.03 g

Explanation:

Molar mass is defined as the mass in grams of 1 mole of a substance.

S.I Unit of Molar mass is gram per mole and it is represented as g/mol.

It is found by adding the atomic masses of all the elements present.

Atomic Mass of Nitrogen (N) = 14.007 g

Atomic Mass of Hydrogen (H) = 1.008 g

Molar mass of $NH_3$ = 1(14.007)+3(1.008) g = 17.03 g

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3 years ago