mmallory29 mmallory29

23-04-2020
Chemistry

contestada

If the half-time of krypton-81 is 229,00 years, how much krypton-81 was present when the ice first formed

Respuesta :

katylee21 katylee21

23-04-2020

Answer:

6.70g

Explanation:

Answer Link

Otras preguntas

Use the Hertzsprung-Russell diagram to determine which condition describes each star. Use the arrows to help you locate the stars. 105 105 luminosity (solar uni

Planing helps eliminate the possibility of

What is the net force and direction of the block?

6. The function of the general adaptation syndrome (GAS) is to... a) Return the body to a state of homeostasis. b) Enable the body to deal with increasing amoun

i need help im really stuckkk

What is the theme of “A Friend in Need”? What details introduce and develop the theme? Use evidence from the text to support your response. Your response should

A sequence is defined by the term-to-term rule Un+1=U₁+3 Given that u,= 1, a) find u₁ b) find u₂ c) find u₁

Mrs.Murphy wonders if fidget spinners have A positive effect on student learning she divides the class into two groups one group is given unlimited access to fi

Multiply these polynomials using the FOIL method. [tex]( m^{\frac{1}{3} } + y^{-\frac{1}{2} } ) ( m^{\frac{1}{3} } + y^{-\frac{1}{2} } )[/tex]

An observation deck extends 310 feet out above a valley. The deck sits 260 feet above the valley floor. If an object is dropped from the observation deck, its