How to reproduce Windows Chrome BAT files setup in macOS 10.15
As a shell script or directly in Terminal it can be done with

#!/bin/sh

open -a "Google Chrome" --args \
    https://calendar.google.com/calendar/r/month \
    https://contacts.google.com/ \
    https://voice.google.com/ \
    https://hangouts.google.com \
    https://drive.google.com \
    https://maps.google.com \
    https://www.youtube.com \
    https://news.google.com \
    https://photos.google.com \
    https://one.google.com \
    https://classroom.google.com


In AppleScript you can use

tell application "Google Chrome"
    open location "https://calendar.google.com/calendar/r/month"
    open location "https://contacts.google.com/"
    open location "https://voice.google.com/"
    open location "https://hangouts.google.com"
    open location "https://drive.google.com"
    open location "https://maps.google.com"
    open location "https://www.youtube.com"
    open location "https://news.google.com"
    open location "https://photos.google.com"
    open location "https://one.google.com"
    open location "https://classroom.google.com"
end tell