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labwork [276]
1 year ago
14

Someone please help me figure out the significant figure

Chemistry
1 answer:
Neporo4naja [7]1 year ago
4 0
I believe the answer is 15kg since after that there is 16kg and before there is 14kg
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the recommended adult dose of Elixophyllin ® , a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in mi
Paladinen [302]

Answer:

\boxed{\text{452 mg}}

Explanation:

(a) Convert pounds to kilograms.

\text{Mass} = \text{ 166 lb} \times \dfrac{\text{453.59 g}}{\text{1 lb}} \times\dfrac{\text{1 kg}}{\text{1000 g}} = \text{75.30 kg}

(b) Calculate the dose

\text{Dose} = \text{ 75.30 kg body mass} \times \dfrac{\text{6.00 mg Elixophyllin}}{\text{1 kg body mass}} = \textbf{452 mg Elixophyllin}\\\text{The dose of Elixophyllin for a 166 lb person is $\boxed{\textbf{452 mg}}$}

3 0
3 years ago
What is an isotope ​
Andrews [41]

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Explanation:

5 0
3 years ago
Read 2 more answers
Help!! This is due today and I have no clue what these are ://
elena55 [62]
80. Ionic
81. Covalent
82. Metallic
83. Covalent
84. Metallic
85. Covalent
86. Ionic
6 0
3 years ago
The infrared spectrum above represents the absorption of certain wavelengths of radiation by molecules of CO2. Which of the foll
valkas [14]

Answer:

Carbon Dioxide is an Infrared Radiation Absorber. The (CO2) molecules also emits the absorbed infrared (IR) radiation energy. The photon energy from the infrared radiation causes the CO2 molecule to vibrate. Only some of its vibrational modes absorb infrared radiation

Explanation:

Its linear structure is considered when working with the formula to calculate the number of molecular vibrational modes. It has 3n - 4 vibrational modes, where n is the number of atoms in a compound of CO2

With 3 atoms, CO2 has

3n−5=4 types or patterns of vibration

1. The symmetric stretch

2. The asymmetric stretch

3. The bend

The symmetric stretch vibrational mode is ir-inactive.

The asymmetric stretch is ir-active as it results in changes in dipole moment

The bend is ir-active as well as it results in a change in dipole moment too.

6 0
3 years ago
If 0.50 mole of dry ice, solid CO 2 , is needed for a chemical reaction, how many grams of CO 2 should we obtain?
Mandarinka [93]

Answer:

I believe it is 22.

Explanation:

4 0
3 years ago
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